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The Samurai Jeans S510XX25oz-SP takes one of the brand’s most established straight-leg silhouettes and pushes it into true heavyweight territory. Built around Samurai’s formidable 25oz Special Selvedge Denim, this limited model brings back a fabric that has become legendary among heavyweight denim enthusiasts for its extreme density, irregular texture, and dramatic aging potential.
Woven using specially developed slub yarns, the 25oz denim has an exceptionally thick, uneven surface with pronounced texture from the beginning. Fresh out of the box, the fabric is incredibly substantial and rigid, almost armour-like in feel. With continued wear, however, the denim gradually softens, moulds to the body, and develops increasingly pronounced creases and high-contrast fading. It is an uncompromising fabric designed for those who enjoy the process of breaking in truly heavyweight Japanese denim.
For this release, Samurai chose its S510XX regular straight fit, providing enough room through the leg to balance the extraordinary weight of the fabric while maintaining a classic straight silhouette. The result is a heavyweight jean that remains rooted in traditional five-pocket proportions rather than moving into an exaggerated oversized fit.
The special construction continues throughout the jeans. Samurai equips the S510XX25oz-SP with its distinctive gold Sunrise iron buttons, copper coin-style rivets, signature “Shogyō Mujō” pocket bags, special edition leather patch and flasher, and a unique version of the brand’s recognizable seagull back pocket stitching.
Finished with a one-wash treatment and made entirely in Japan, the S510XX25oz-SP is one of Samurai’s most substantial denim offerings, combining an extreme 25oz fabric with a timeless regular straight fit and the obsessive detailing that defines the brand.
25oz Special Japanese selvedge denim
Specially developed slub yarn construction
Extremely heavyweight, dense and highly textured fabric
S510XX regular straight fit
Designed to mould to the wearer with continued use
Exceptional high-contrast fading potential
Gold Sunrise iron buttons
Copper coin-style rivets
Samurai “Shogyō Mujō” pocket bags
Special edition leather patch
Special edition flasher
Special Samurai seagull back pocket stitching
One-wash Unsanforized finish
Limited special model
Made in Japan
Style number S510XX25oz-SP
Samurai S510XX25oz-SP Regular Straight Jeans in heavyweight 25oz Japanese selvedge denim with extreme texture, special hardware, and exceptional fade potential. Shop now.
Orders ship within 2–3 business days via courier or Canada Post. All shipments include $100 insurance (additional coverage is available upon request).
Returns are accepted within 7 days of delivery for store credit or exchange only. Items must be unworn, unwashed, and in original condition with tags attached. Return shipping costs are the customer’s responsibility.
All sale items are final sale.
For full details on shipping, international orders, and returns, please see our Shipping & Returns Policy.