Endura Pro SL Primaloft Sock II Endura bring you PrimaLoft's insulation expertise to your feet in the ultimate winter warmer sock. Key Features Luxury PrimaLoft GOLD/Silk blend Padded toe and metatarsal terry Stretch arch support Long cuff for extra warmth A winter treat for your feet Construction 45% Nylon, 35% Polyester, 8% Slick, 7% Wool, 5% Elastane Sizing (UK): Small/Medium (5 - 8.5), Large/Extra Large (9 - 12.5) Shop All Cycling Footwear > Shop All Cycling Clothing > Shop All Products by Endura >