ONI Denim Men's Type I-Inspired Jacket Brown-Khaki 13 oz. Sulfur-Dyed Heavy Oxford Made in Japan (ONI-01507L-HOX-BRK)

ONI Denim Men's Type I-Inspired Jacket Brown-Khaki 13 oz. Sulfur-Dyed Heavy Oxford Made in Japan (ONI-01507L-HOX-BRK)

ONI Denim

This men's casual jacket is made in Japan by ONI Denim, a brand known for its distinctive craftsmanship. Drawing inspiration from classic Type I denim jacket designs, this piece is crafted from 13 oz. sulfur-dyed heavy Oxford fabric in a brown-khaki shade, developed through the brand's unique fabric-making techniques to give the material a rugged, uneven surface texture with visible grain. Finished with the brand's signature attention to detail throughout, it balances workwear character with everyday wearability, blending heritage-inspired design with modern style in a way that fits naturally into a contemporary casual wardrobe. In terms of fabric, the jacket is made from 100% cotton yarns dyed to a brown-khaki shade using sulfur dyeing and woven into a substantial 13 oz. heavyweight Oxford cloth. The natural irregularity and subtly slubby character of the yarns, combined with the characteristics of the sulfur dyeing process, give the fabric a rugged, uneven surface texture and subtle tonal variation across the material. While durable and substantial, the fabric also retains a certain suppleness, allowing it to feel firm without becoming overly stiff. As part of the finishing process, the garment has been pre-washed, also known as one-wash, to help minimize shrinkage. In terms of design and construction, the jacket features a five-button metal front closure, two box-stitched vertical pleats positioned along both sides of the front placket and running from the front yoke to the waistband, and a single left-chest patch pocket with a flap and button closure. The upper corners of the chest pocket are reinforced with rivets hidden beneath the flap for added strength. At the back, the jacket is constructed with a shoulder yoke and side pleats below it, while a rivet-mounted cinch-back strap is positioned near the hem for fit adjustment. The sleeve cuffs are finished with single-button closures, and the sleeve vents are reinforced with rivets. All buttons used throughout the garment are black-coated metal buttons engraved with the ONI Denim logo. Overall, the jacket is unlined and belongs to the category of light outerwear, making it well suited for easy layering in spring and fall. This item follows Japanese sizing and typically fits smaller than standard U.S. and European sizes. For reference, a tagged Japan size 38 generally fits like a US/EU S, or roughly a US/EU 36 in tops. It is designed with a more contemporary, streamlined cut that is trimmer through the body and finished with a balanced length that avoids the overly short look of some vintage-style jackets. This model is a new original release from ONI Denim, pairing classic Type I-inspired styling with a modern, streamlined cut and the brand's signature heavy Oxford fabric development and craftsmanship.

Gender: Men.

Fit: This item follows Japanese sizing and typically fits smaller than standard U.S. and European sizes. For reference, a tagged Japan size 38 generally fits like a US/EU S, or roughly a US/EU 36 in tops. It is designed with a more contemporary, streamlined cut that is trimmer through the body and finished with a balanced length that avoids the overly short look of some vintage-style jackets. Pre washed, minimal shrinkage. To ensure a comfortable fit, please refer to the actual garment measurements listed below. All measurements are taken with the garment laid flat and are provided in both centimeters and inches. Please note that slight variations may occur due to manual measurement. Fit may also vary depending on the design of each style as well as individual preference. For best results, we recommend comparing these measurements with a similar garment you already own.

Our model is wearing a tagged Japan size 38. He stands 5'9" (175 cm) tall, weighs 127 lbs (58 kg), and has a 36-inch (91 cm) chest. He typically wears a US/EU size S (36) in most garments.

Available Sizes.

- Size 38 (Japan sizing): Typically fits like a US/EU S, or approximately a US/EU 36 in tops.

- Size 40 (Japan sizing): Typically fits like a US/EU M, or approximately a US/EU 38 in tops.

- Size 42 (Japan sizing): Typically fits like a US/EU L, or approximately a US/EU 40 in tops.

- Size 44 (Japan sizing): Typically fits like a US/EU XL, or approximately a US/EU 42 in tops.

The following measurements show the garment itself, not your own body.
Please compare them with a similar piece from your wardrobe to get a better sense of fit.

In inches
- Size 38 (Japan sizing)__Width: 20.5"__Length: 25.2"__Sleeve: 32.7"(24.4")__Shoulder: 16.9"
- Size 40 (Japan sizing)__Width: 21.3"__Length: 25.6"__Sleeve: 33.5"(24.8")__Shoulder: 17.7"
- Size 42 (Japan sizing)__Width: 22.4"__Length: 26.0"__Sleeve: 34.6"(25.6")__Shoulder: 18.5"
- Size 44 (Japan sizing)__Width: 23.2"__Length: 26.8"__Sleeve: 35.4"(26.0")__Shoulder: 19.3"

In centimeters
- Size 38 (Japan sizing)__Width: 52cm__Length: 64cm__Sleeve: 83cm(62cm)__Shoulder: 43cm
- Size 40 (Japan sizing)__Width: 54cm__Length: 65cm__Sleeve: 85cm(63cm)__Shoulder: 45cm
- Size 42 (Japan sizing)__Width: 57cm__Length: 66cm__Sleeve: 88cm(65cm)__Shoulder: 47cm
- Size 44 (Japan sizing)__Width: 59cm__Length: 68cm__Sleeve: 90cm(66cm)__Shoulder: 49cm

Width is half chest: Lay the garment flat and measure side to side approximately 3 cm (about 1.2 in.) below the armhole.

Sleeve is measured from center back of base of collar seam to the end of the cuff.

Sleeve length in parentheses is measured from top of the shoulder seam to end of cuff.

Shoulder Width: Measured straight across the back from the tip of one shoulder seam to the other.

Body Length: Measured from the base of the back collar (where the collar meets the body) straight down to the bottom hem.

Made in Japan.
Brand new with tags, in unused condition.
*All measurements are taken with the garment laid flat.
*Please note that slight variations in measurements may occur.
*Actual color may differ slightly from the photos due to lighting and screen settings.

Overall Product Character:
- This men's casual jacket is made in Japan by ONI Denim, a brand known for its distinctive craftsmanship and fabric-focused approach to garment design. While drawing clear inspiration from classic Type I denim jacket designs, this model is not a strict historical reproduction. Instead, it is a modern reinterpretation that retains key heritage workwear elements while integrating them with ONI Denim's own original material development. By combining a rugged workwear-derived structure with a more contemporary cut and a highly expressive custom fabric, the jacket balances vintage-inspired design character with practical everyday wearability in a way that feels natural in a modern casual wardrobe.

Fabric Composition and Base Cloth:
- The jacket is constructed from a 13 oz. heavyweight Oxford cloth made from 100% cotton yarns. Compared with lighter Oxford fabrics, this heavier construction gives the material greater body, stronger form retention, and a more substantial tactile presence. The Oxford weave itself contributes a clearly defined grain and a slightly raised, uneven surface structure, which enhances the visual depth of the fabric and supports the jacket's workwear-oriented identity. Although firmly built, the cloth does not become excessively rigid, allowing it to maintain enough flexibility for regular wear.

Sulfur Dyeing and Color Expression:
- The yarns are sulfur-dyed to a brown-khaki shade before being woven into the finished cloth. Sulfur dyeing is known for producing a more muted, dry-looking, and slightly irregular color expression than highly even modern dyeing methods. In this fabric, that dyeing process contributes not only to the subdued earth-toned appearance, but also to the subtle tonal variation visible across the surface. This controlled irregularity gives the fabric a more weathered, workwear-like visual character from the outset and also supports gradual aging through wear and washing over time.

Yarn Character and Surface Texture:
- A major part of the fabric's identity comes from the natural irregularity of the yarns themselves. Rather than appearing overly smooth or industrially uniform, the yarns display a subtly slubby character. When this irregular yarn structure is combined with the Oxford weave and sulfur-dyed color expression, the result is a rugged, uneven surface texture with visible grain and restrained tonal movement. This gives the jacket a visually rich and tactilely expressive surface that feels more organic and materially complex than flatter, more standardized woven fabrics.

Fabric Hand and Wear Characteristics:
- Although the cloth is durable and substantial, it also retains a certain suppleness. This balance is important to the overall performance of the garment: the fabric feels dense, solid, and structurally supportive, but does not become stiff to the point of restricting movement or making the jacket difficult to wear in everyday conditions. This combination of firmness and flexibility allows the jacket to hold its workwear-inspired shape while remaining comfortable enough for repeated casual use.

Finishing Process:
- The garment has been pre-washed, also described as one-wash, as part of the finishing process. This treatment helps minimize a significant portion of the fabric's residual shrinkage before sale, improving dimensional stability and reducing the likelihood of excessive size change after home laundering. In addition, the one-wash finish helps the fabric settle into a more natural hand from the beginning, making the jacket easier to wear from the outset.

Lining and Outerwear Category:
- The jacket is unlined, placing it in the category of light outerwear rather than a heavily insulated outer layer. Because there is no additional inner lining or fill, the fabric itself remains the primary structural and visual element. This makes the jacket particularly suitable for easy layering in spring and fall, when moderate protection and versatile wearability are more important than thermal bulk.

Design and Construction Overview:
- In terms of design and construction, the jacket translates hallmark Type I-derived structural features into a cleaner and more contemporary silhouette. Rather than relying on decoration, the design is driven by functional workwear architecture: a button-front closure, vertical front pleats for mechanical ease, asymmetrical chest pocket placement, back yoke and side pleats, and an adjustable cinch-back at the hem. These elements work together to preserve the visual language of early denim jackets while adapting them into a more streamlined modern garment.

Front Closure Construction:
- The front is built with a five-button metal closure. This button-front construction reinforces the jacket's heritage workwear character and provides a more traditional visual rhythm than a zip-front alternative would. The evenly spaced metal buttons create a disciplined front balance, while their material character contributes to the garment's rugged overall impression.

Front Pleat Construction:
- The jacket features two vertical front pleats integrated into the front body panels, positioned along both sides of the front placket and extending from the front yoke down to the waistband. Each pleat is formed by folding excess fabric inward along a vertical line and securing it at key stress points with box stitching. This is a hallmark construction detail associated with classic Type I jacket designs. From a functional standpoint, these pleats are not merely decorative. In a rigid, non-stretch woven fabric, they provide controlled expansion through the chest area when the wearer reaches forward or lifts the arms, helping to improve mobility while reducing strain on the placket, yoke seam, and shoulder line. At the same time, they contribute structure without adding unnecessary bulk, remaining clean and flat when at rest and helping preserve the jacket's streamlined silhouette.

Chest Pocket Construction:
- The jacket features a single left-chest patch pocket with a flap and button closure, following the asymmetrical pocket arrangement associated with early Type I styles. The pocket body is applied directly to the front panel using patch-pocket construction, while the flap overlays the opening and secures it with a button. The upper corners of the pocket are reinforced with rivets hidden beneath the flap, strengthening one of the highest-stress attachment areas without disrupting the jacket's clean exterior appearance.

Back Construction:
- The upper back is constructed with a straight yoke, while the back panel below the yoke and above the waistband is cut as a single continuous piece. Subtle side pleats beneath the yoke provide controlled expansion through the upper back, helping improve shoulder mobility without adding unnecessary visual volume. At the lower back, a pronged cinch-back strap with a metal buckle allows waist adjustment and helps secure the fit at the hem. Please note: The cinch-back buckle and exposed rivets may scuff or scratch delicate surfaces such as car seats, sofas, or finished furniture.

Sleeve and Cuff Construction:
- The sleeves are finished with single-button cuffs, and the sleeve vents are reinforced with rivets. This reinforcement is especially important at points that receive repeated strain during dressing, cuff opening, and daily movement. The result is a more durable sleeve opening with better resistance to tearing and long-term wear.

Button Hardware:
- All buttons used throughout the garment are black-coated metal buttons engraved with the ONI Denim logo. This hardware specification is an important part of the jacket's visual and material identity. Compared with plastic or resin alternatives, black-coated metal hardware gives the garment a more solid, industrial, and workwear-oriented appearance. The consistent use of the same branded metal buttons throughout also creates visual cohesion across the entire design.

Fit and Silhouette:
- This item follows Japanese sizing and typically fits smaller than standard U.S. and European sizes. As a reference, a tagged Japan size 38 generally corresponds to a US/EU S, or roughly a US/EU 36 in tops. In silhouette terms, the jacket is designed with a more contemporary, streamlined cut than many vintage-style jackets. It is trimmer through the body and finished with a balanced body length that avoids the overly short appearance often associated with stricter period reproductions. This makes the jacket easier to wear in a modern setting while still retaining strong Type I-inspired visual cues.

Design Position Within the Brand:
- This model is a new original release from ONI Denim rather than a direct archive reproduction. Its significance lies in how it pairs classic Type I-inspired styling with a modern, streamlined cut and the brand's signature heavy Oxford fabric development and craftsmanship. In that sense, the jacket is not only a heritage-inspired workwear piece, but also a fabric-led ONI original that expresses the brand's identity through material development, construction discipline, and updated proportioning.

Model Name: ONI Denim 01507L (ONI-01507L-HOX-BRK ONI01507L-HOX-BRK) / ONI Denim jacket - A modern reinterpretation of the classic Type I denim jacket, made from 13 oz. sulfur-dyed heavy Oxford fabric in a brown-khaki shade.


Care Instructions & Sulfur-Dyed Fabric Notice:
- Machine washable at or below 40°C (104°F). Turn the garment inside out before washing and use a normal wash cycle.
- Do not use chlorine bleach or oxygen bleach.
- Do not tumble dry.
- Hang to dry in the shade.
- Iron at medium temperature with a pressing cloth placed between the iron and the fabric.
- Do not dry clean.
- Due to the nature of sulfur-dyed fabric, color may fade over time. Wash separately and avoid washing with other garments.
- Color transfer may occur when the fabric is wet from sweat or rain, or through friction. Please take care when wearing with light-colored items.

Please Note About Sulfur-Dyed Fabric:
- Due to the nature of sulfur-dyed fabric, some color fading may occur over time with wear and repeated washing. This gradual fading is a normal characteristic of the material and contributes to its evolving appearance.
- Color transfer may occur, especially when the fabric is wet from rain, sweat, or moisture, or through friction during wear. Please take care when wearing with light-colored garments, bags, or upholstery.
We recommend washing this item separately to avoid color transfer to other garments.
- To help preserve the fabric's surface character and color, please turn the garment inside out before washing.
Avoid prolonged exposure to direct sunlight when drying, as this may cause uneven fading or discoloration.