Description Our Gym Rib Socks are a classic athletic staple, featuring high-pile construction and wide ribbing with yarn-dyed stripe details at the cuff. Built to hold their shape over time and through washes. Details - 3-Pack - 80% Cotton, 17% Polyamide, 3% Elastane - Fits shoe sizes 39-46 - Made in Portugal Care Wash on low heat and tumble dry low.