The Flat Head - Long Sleeve Henley Shirt Black [FN-TSHL-004] Size:40 and carefully finished leather surfaces

and carefully finished leather surfaces showcase the brand's uncompromising approach to craftsmanship

Durable workwear-inspired silhouette

and a classic shirt silhouette

This gives the fabric a richly textured

5 oz left-hand twill cotton for a structured yet soft feel

The Flat Head - Long Sleeve Henley Shirt Black [FN-TSHL-004] Size:40 and carefully finished leather surfacesCrafted in Japan from premium cotton, this long sleeve Henley by The Flat Head brings heritage texture and everyday wearability to a timeless base layer. The soft knit fabric offers natural comfort and breathability, while signature details like the classic three button placket and reinforced seams add subtle character that works whether worn alone or layered under overshirts and jackets. Key Features 100% premium cotton knit, soft hand and natural