Flat back rib fabric, small V-insert on the collar, round neckline with elastane, herringbone necktape, ribbed cuffs on sleeve, and borders with elastane, high-quality ribbed interlock material, 40° washable, not suitable for tumble drying. 365g/m², 80% double preshrunk combed ringspun cotton, 20% polyester, silicone treatment, interlock