TCB - s40's Black Denim Jeans BKBK

The TCB Late S40's Black Denim Jeans are a faithful reproduction of post-war American denim, reimagined in a striking black-on-black fabric that offers an entirely different aging experience from traditional indigo. Based on an original late 1940s vintage pair, the Late S40's features a comfortable high rise, roomy top block, and straight leg silhouette that captures the relaxed proportions of the era while remaining exceptionally wearable today. The all-black construction creates a clean, understated appearance when new, but is specifically engineered to reward years of wear with dramatic fades unique to black denim.

The proprietary 14oz Japanese denim is woven from naturally uneven American cotton yarns, with both the warp and weft sulphur rope dyed black before weaving. Unlike many black jeans that simply lose their colour, the yarn-dyed construction allows the denim to develop vertical fading, whiskers, and high-wear contrast as the black gradually transitions into charcoal grey and silvery tones. TCB intentionally chose an unsanforized black denim to recreate the character and aging of vintage workwear, giving the jeans the same long-term evolution enthusiasts expect from premium indigo denim.

Construction remains true to the original late 1940s design, featuring period-correct pocket proportions, concealed back pocket rivets, a button fly, cotton stitching throughout, and TCB's deerskin leather patch. Produced in Okayama, Japan, the Late S40's BKBK offers vintage authenticity with a unique fade journey that only black denim can deliver.

Key Features

• 14oz Japanese black-on-black selvedge denim

• Sulphur rope dyed black warp and weft yarns

• Naturally uneven American cotton yarns

• Unsanforized denim with one wash finish

• Based on an original late 1940s vintage jean

• High rise

• Relaxed straight leg fit

• Button fly

• Hidden back pocket rivets

• Deerskin leather patch

• Cotton stitching throughout

• Designed to fade from black to charcoal and silver tones

• Made in Japan

• Style: Late S40's BKBK

• Complete the set with the TCB - Black Denim 40's Jacket BKBK
• Also available: TCB - Faded s40's Fat Cat Records Jeans, and TCB - s40's Jeans OW
• Shop more styles from TCB Jeans

TCB Late S40's BKBK black denim jeans in 14oz Japanese selvedge, inspired by late 1940s workwear and built to develop exceptional black denim fades. Shop now. 

Unsanforized denim, one washed at the factory. Minimal further shrinkage with a cold wash and hang dry.

These figures are estimates. Fabric, fit, and care all affect how a garment settles, so treat them as a guide rather than a guarantee. Feel free to reach out if you have any questions.

Garment measurements taken flat before wash. Compare against a piece you already own and love.

Canada: free Standard shipping over $300 CAD, otherwise $19.99 in BC and $24.99 to the rest of Canada. Express is $33 flat. Tracked courier, 1 to 4 business days.

United States: free Standard shipping over $350 USD, otherwise $25.99 USD. Express is $30 USD.

Returns: read our Return Policy for full details on returns and exchanges.

Wear for as long as you can before the first wash. Cold soak, hang dry in shade, never tumble dry. Full guide in our Journal.