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The Flat Head 8004 jeans feature the brand’s heaviest-ever 18oz selvedge denim, offering rugged durability and high-contrast fades. The wide tapered fit provides a roomy thigh with a clean taper, balancing comfort and style. Expert Japanese craftsmanship ensures superior construction, unique aging, and long-lasting wear.
SIZE | 30 | 31 | 32 | 33 | 34 | 36 | 38 | 40 |
Waist | 74 | 77 | 78 | 80 | 83 | 86 | 91 | 97 |
Hip | 56 | 56.5 | 58 | 59 | 61 | 63 | 66 | 67 |
Front Rise | 29 | 29.3 | 30 | 30.5 | 30.8 | 31.3 | 32.5 | 33.5 |
Back Rise | 39.5 | 40 | 40.5 | 41 | 41.5 | 42 | 42.5 | 43.5 |
Thigh | 32 | 32.5 | 33 | 33.5 | 34 | 35 | 36.5 | 37.5 |
Knee | 21.5 | 22.3 | 22.9 | 23.5 | 23.8 | 24.7 | 25.5 | 26.5 |
Leg Opening | 19.5 | 20 | 20.5 | 21 | 21.5 | 22.3 | 23.3 | 24.4 |
Inseam | 86.5 | 86.5 | 86.5 | 86.5 | 86 | 86 | 86 | 86 |
You can have your jeans hemmed with our vintage Chainstitching Machine. The cost for this service is €10,00 and will be added to your cart. Please remember that hemmed jeans or pants are non-returnable, so make sure to carefully check the size chart.
• It will take 4-5 additional business days.
• Please follow our measuring guide to check your inseam.
The Flat Head 8004 jeans are crafted from the heaviest fabric ever produced by the brand—a rugged 18oz selvedge denim woven on vintage shuttle looms. This high-density, tightly woven fabric offers a substantial feel with a unique, rain-like vertical texture that evolves beautifully over time. The deep indigo rope-dyed yarns ensure high-contrast fades, showcasing Flat Head’s signature aging process.
The wide tapered fit is designed for both comfort and style. Featuring a mid-high rise, it provides a roomy seat and thigh, allowing for ease of movement, while the gradual taper from the knee down creates a clean, streamlined silhouette. This cut is ideal for those who prefer a relaxed fit without excessive bagginess, making it versatile for casual wear and rugged styling alike.
Every detail reflects Japanese craftsmanship: expertly sewn felled seams, a raised belt loop construction for added durability, and original iron buttons and copper rivets that age gracefully with wear. The back pockets feature hidden copper-plated steel rivets, reinforcing stress points while developing a vintage patina over time.
Plus, each pair comes with a complimentary Doshaburi bandana, adding an exclusive touch to your denim collection.
Fit Notes: As all Flat Head Jeans, they run small. In general, we recommend choosing one size larger than your usual. However, as always, we recommend checking the size chart first to find your perfect size. It is unsanforized but one washed, so there will be no shrinkage.
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Details
Shipping
Spain
FREE SHIPPING on orders over 100 EUR.
6 EUR shipping cost on orders under the value mentioned above.
European Union & The UK
FREE SHIPPING on orders over 150 EUR
14 EUR shipping cost on orders under the value mentioned above.
Rest of the World
FREE SHIPPING on orders over 250 EUR.
25 EUR shipping cost on orders under the value mentioned above.
Returns
If for some reason you are not happy with your purchase you can return it to us within 14 days for a free size exchange or refund.
For more info please visit our returns & exchange page.
Please note that items in the SALE category are considered FINAL SALE, with no returns or exchanges accepted.
Reviews

SIZE | 30 | 31 | 32 | 33 | 34 | 36 | 38 | 40 |
Waist | 74 | 77 | 78 | 80 | 83 | 86 | 91 | 97 |
Hip | 56 | 56.5 | 58 | 59 | 61 | 63 | 66 | 67 |
Front Rise | 29 | 29.3 | 30 | 30.5 | 30.8 | 31.3 | 32.5 | 33.5 |
Back Rise | 39.5 | 40 | 40.5 | 41 | 41.5 | 42 | 42.5 | 43.5 |
Thigh | 32 | 32.5 | 33 | 33.5 | 34 | 35 | 36.5 | 37.5 |
Knee | 21.5 | 22.3 | 22.9 | 23.5 | 23.8 | 24.7 | 25.5 | 26.5 |
Leg Opening | 19.5 | 20 | 20.5 | 21 | 21.5 | 22.3 | 23.3 | 24.4 |
Inseam | 86.5 | 86.5 | 86.5 | 86.5 | 86 | 86 | 86 | 86 |