The Flat Head - Thermal Long sleeve Olive [FN-THL-101] ON PREORDER*

This long sleeve thermal shirt combines Japanese craftsmanship with premium heavyweight cotton for ultimate comfort and insulation. Its classic crewneck design and ribbed cuffs offer a casual yet structured look that layers perfectly under jackets. Available in versatile Black and Ivory, this piece adds a touch of vintage character to any wardrobe. Ideal for both cozy evenings and everyday adventures, it's a timeless base layer designed for durability and style. From the brand: ON PREORDER* Woven in Japan on vintage loop-wheel machines from premium heavyweight cotton, this long sleeve thermal shirt offers a soft, textured hand with excellent insulation and durability. Designed with a classic crewneck silhouette and ribbed cuffs, it brings heritage thermal comfort that layers easily under jackets or stands strong on its own. Key Features 100% heavyweight cotton loop-wheel knit for warmth and lasting comfort Soft, textured surface with natural stretch Ribbed collar and cuffs for structure and fit retention Classic long sleeve silhouette for versatile layering Made in Japan Available in  Black or  Ivory Shop more styles from  The Flat Head A timeless base layer with vintage character and everyday performance. Shop now.