Japan Blue Jeans was created in 2010 by the COLLECT mill in Kojima, Okayama. The company has a long history of manufacturing premium denim fabric for many renowned brands worldwide. COLLECT mill, Momotaro and Japan Blue Jeans are all part of the reputable Japan Blue Group. With numerous years of experience in developing great fabric and fit, they decided to create a brand with fits in modern silhouettes, Japanese selvedge fabric and a price point that will reach out to many that are not willing to break the bank.

Japan Blue Products

Japan Blue Jeans (JBOT1305) Sashiko Haori – Indigo

SGD299.00 Inc. GST
This 11oz. sashiko fabric is woven for everyday comfort, offering a soft texture. The indigo threads are sulfur-dyed like traditional indigo denim, allowing for a beautiful aging process over time. Sashiko fabric was originally used for firemen’s coats due to its thick, interwoven cotton threads, providing durability against small sparks. A free-size sashiko haori with a simple yet modern and refined aesthetic. It can be worn as an outer layer or styled like a cardigan for versatile wear.
  • Relaxed Fit
  • Regular Length
  • Light Weight
  • Rigid
  • Side Pocket
100% Cotton Made in Japan
Length Chest Cuff Width Sleeve Length
Free 74.5 120 119.5 83.5

Japan Blue Jeans J401(D01) 14.8oz Classic Straight Selvedge Jeans-Aging Wash

SGD339.00 Inc. GST
Design & Functionality JAPAN BLUE JEANS takes pride in its craftsmanship, born in Kojima, the denim capital. Each pair is made in Japan, ensuring top-tier quality from fabric to finish. The curved waistband provides a comfortable, snug fit around the waist, offering enhanced comfort compared to traditional straight belts. CLASSIC STRAIGHT A plain silhouette with a classic straight-leg fit. The design is straight from the thigh to the hem for a clean look. This timeless design ensures that the jeans will be loved for years to come. 14.8oz Hard Denim Selvedge One of JAPAN BLUE JEANS' flagship fabrics, first used at the brand’s inception. The yarn is spun more tightly to increase strength, creating a fabric with pronounced irregularities. The extreme thread count helps the fabric maintain its durability, creating a "denim that ages" beautifully. It has a dry texture and a vintage-like appearance. Aging Wash The denim features a pronounced contrast with well-crafted whiskers and fades, preserving the hard feel of the fabric. A special dyeing process adds depth to the fabric, creating a vintage look that would not be achievable with traditional processing alone. Despite complex processing, the denim retains its firmness, allowing for further fading over time.
  • Rigid Fabric
  • Mid-rise
  • Zipper Fly
  • Red Selvedge
  • Plain Pocket
  • Cowhide Patch
  • Blue Inseam
  • Chain Stitch
100% Cotton Made in Japan

Japan Blue Jeans J301(D01) 14.8oz Straight Selvedge Jeans-Aging Wash

SGD339.00 Inc. GST
Design & Functionality JAPAN BLUE JEANS takes pride in its craftsmanship, born in Kojima, the denim capital. Each pair is made in Japan, ensuring top-tier quality from fabric to finish. The curved waistband provides a comfortable, snug fit around the waist, offering enhanced comfort compared to traditional straight belts. STRAIGHT A plain silhouette with a classic straight-leg fit. The design slightly tapers from the thigh to the hem for a clean look. This timeless design ensures that the jeans will be loved for years to come. 14.8oz Hard Denim Selvedge One of JAPAN BLUE JEANS' flagship fabrics, first used at the brand’s inception. The yarn is spun more tightly to increase strength, creating a fabric with pronounced irregularities. The extreme thread count helps the fabric maintain its durability, creating a "denim that ages" beautifully. It has a dry texture and a vintage-like appearance. Aging Wash The denim features a pronounced contrast with well-crafted whiskers and fades, preserving the hard feel of the fabric. A special dyeing process adds depth to the fabric, creating a vintage look that would not be achievable with traditional processing alone. Despite complex processing, the denim retains its firmness, allowing for further fading over time.
  • Rigid Fabric
  • Mid-rise
  • Zipper Fly
  • Red Selvedge
  • Plain Pocket
  • Cowhide Patch
  • Blue Inseam
  • Chain Stitch
100% Cotton Made in Japan

Japan Blue Jeans (JBOT1325) Sashiko Haori – Black

SGD319.00 Inc. GST
This 11oz. sashiko fabric is woven for everyday comfort, offering a soft texture. The black threads are sulfur-dyed like traditional black denim, allowing for a beautiful aging process over time. Sashiko fabric was originally used for firemen’s coats due to its thick, interwoven cotton threads, providing durability against small sparks. A free-size sashiko haori with a simple yet modern and refined aesthetic. It can be worn as an outer layer or styled like a cardigan for versatile wear.
  • Relaxed Fit
  • Regular Length
  • Light Weight
  • Rigid
  • Side Pocket
100% Cotton Made in Japan
Length Chest Cuff Width Sleeve Length
Free 74.5 120 119.5 83.5

Japan Blue Jeans (JBKN1002) Inlay Cardigan -Black

SGD259.00 Inc. GST
Design & Silhouette A sturdy inlay cardigan with a comfortable fit. Its simple design allows for a wide range of styling options. Even after long-term wear, it maintains its high-quality feel and texture without losing shape. Fabric JAPAN BLUE JEANS' "Inlay" fabric, knitted with thicker yarn than standard specifications. This 16.5oz heavy fabric is knitted in a knitter factory in Gifu Prefecture. While sturdy, it has a moderately controlled thickness. It is resistant to deformation, shrinkage, and fading, even after multiple washes, making it a long-lasting garment. The fabric is known for its durability and smooth, comfortable wear. Points Silhouette: Slightly wide Length: Standard Fabric Texture: Thick Stretchability: None 100% Cotton Made in Japan

Japan Blue Jeans (JBKN1003) Sashiko Sweatshirt – Modern Grid

SGD269.00 Inc. GST
Design & Silhouette An orthodox regular-fit sweatshirt. The randomly combined sashiko patterns catch the eye, creating a style that stands out even with simple outfits. Pair it with shirts or other inner layers for versatile styling options. Fabric Made from JAPAN BLUE JEANS' original sashiko-style jacquard fabric. This textile features several sashiko patterns, creating a three-dimensional feel that isn't found in printed fabrics, resulting in a luxurious finish. The use of indigo threads enhances the texture with wear, allowing you to enjoy the aging process of the material. Compared to regular sweatshirts, this piece has a moderate firmness, providing a high-quality comfort that resists losing shape over time. Points Silhouette: Regular Length: Standard Fabric Texture: Thick Stretchability: None Pocket: None Material: Main fabric 98% Cotton / 2% Polyurethane, Rib 100% Cotton Made in Japan

Japan Blue Jeans (JBKN1000) Sashiko Sweatshirt – Kasuri

SGD269.00 Inc. GST
Design & Silhouette An orthodox regular-fit sweatshirt. The randomly combined sashiko patterns catch the eye, creating a style that stands out even with simple outfits. Pair it with shirts or other inner layers for versatile styling options. Fabric Made from JAPAN BLUE JEANS' original sashiko-style jacquard fabric. This textile features traditional Japanese kasuri patterns, resulting in a three-dimensional feel that isn't found in printed fabrics, leading to a luxurious finish. The use of indigo threads enhances the texture with wear, allowing you to enjoy the aging process of the material. Points Silhouette: Regular Length: Standard Fabric Texture: Thick Stretchability: None Pocket: None Material: Main fabric 98% Cotton / 2% Polyurethane, Rib 100% Cotton Made in Japan

Japan Blue Jeans (JBAG1542) 13oz Denim Wide Tapered

SGD259.00 Inc. GST
Design & Silhouette Featuring front pleats and a voluminous tapered silhouette, these pants offer a relaxed fit. With a generous rise and room around the hips, the legs gradually taper toward the hem, creating a sleek and refined appearance. Despite their overall relaxed structure, the pants maintain a polished look. Fabric Made from 13oz natural denim with a distinctive slub texture, this fabric offers a dry touch and is suitable for year-round use. The unique uneven texture enhances with wear, providing a rich aging experience over time. Stone bio-washing gives the fabric a soft feel and vintage character, with subtle fading throughout. Points Fabric Thickness: Standard / No stretch Silhouette: Wide / Slightly high rise / Full length Front Closure: Zipper Back Pocket: No stitching or embroidery Leather Patch: Natural cowhide Hem Finish: Single stitch Processing: One-wash 100% Cotton Made in Japan

Japan Blue Jeans (JBOT1307) Denim Bomber Jacket

SGD399.00 Inc. GST
Fabric: 13oz crunch denim Crunch denim is called "crunch weave" or "rough weave" because of its rough texture. It is characterized by an uneven look and soft texture like selvedge denim. 13oz denim provides a solid wearing experience. Using of darker indigo dyed yarns allows you to enjoy the aging! Details ・Zipper closure Shell: 100% Cotton Lining: 54% Cotton, 46% Nylon Rib: 45% Cotton, 42% Polyester, 13% Polyurethane Made in Japan

Japan Blue Jeans (JBOT13414S) West Point Drizzler Jacket

SGD237.30 Inc. GST
Fabric: West Point Waist Point fabric made of lustrous combed yarn. "Combed yarn" is made by removing impurities from the fibers and aligning the fibers parallel to each other like brushing hair with a comb to make it smooth. Using the yarns made by twisting two yarns together (two ply yarn), prevents fluffing and gives the fabric a soft texture that nice to touch. The high-density weaving process makes the fabric firm and sturdy. 100% Cotton Made in Japan

Japan Blue Jeans (JBSP10004S) Indigo Sashiko Jacquard Shorts

Fabric: 7oz. indigo sashiko-like jacquard JBJ's original jacquard fabric using rope-dyed indigo yarn for the warp and cheese-dyed indigo yarn for the weft. The warp and weft are dyed using different dyeing methods, so enjoy seeing that colour fades differently. 100% Cotton Made in Japan S - W30 M - W32 L - W34 XL - W36

Japan Blue Jeans (JBSP10404S) 14oz Heavy Chambray Bush Shorts

SGD167.30 Inc. GST
Bush pants style now in shorts. The large pockets seen on hunting jackets is placed on both sides of the front. 14oz heavy chambray made of Zimbabwe cotton. The colours is vivid  due to the reactive dye. Made in Japan S - W30 M - W32 L - W34 XL - W36

Japan Blue Jeans (JBPT10404S) 14oz. Heavy Chambray Bush Pants

SGD209.30 Inc. GST
-14oz Chambray - Zipper fly -100% Zimbabwe Cotton Made in Japan S - W30 M - W32 L - W34 XL - W36

Japan Blue Jeans (J501) 14.8oz US Cotton Loose Selvedge Jeans-Aging Wash

SGD319.00 Inc. GST
JAPAN BLUE JEANS uses a "curved belt (curved waistband)" instead of straight belt, which is the mainstream for men's jeans, to pursue a better fit and comfort around the waist. While the jeans is truly authentic without compromise as committing to "Made in Japan" in all processes of jeans from fabric to product, they are comfortable and can be worn with all kinds of lifestyles. Fit: LOOSE Loose fit - Straight leg - High rise Fabric: 14.8oz US cotton selvedge denim 100% Cotton Made in Japan

Japan Blue Jeans (J501) 14.8oz US Cotton Loose Selvedge Jeans

SGD239.00 Inc. GST
JAPAN BLUE JEANS uses a "curved belt (curved waistband)" instead of straight belt, which is the mainstream for men's jeans, to pursue a better fit and comfort around the waist. While the jeans is truly authentic without compromise as committing to "Made in Japan" in all processes of jeans from fabric to product, they are comfortable and can be worn with all kinds of lifestyles. Fit: LOOSE Loose fit - Straight leg - High rise Fabric: 14.8oz US cotton selvedge denim 100% Cotton Made in Japan

Japan Blue Jeans (J514) 14oz. Black Selvedge Loose Jeans

SGD259.00 Inc. GST
JAPAN BLUE JEANS uses a "curved belt (curved waistband)" instead of straight belt, which is the mainstream for men's jeans, to pursue a better fit and comfort around the waist. While the jeans is truly authentic without compromise as committing to "Made in Japan" in all processes of jeans from fabric to product, they are comfortable and can be worn with all kinds of lifestyles. Fit: LOOSE Loose fit - Straight leg - High rise Fabric: 14oz. black selvedge denim (sulfur dye) 100% Cotton Made in Japan