DESCRIPTIONS This Killington Ultra men's trainer features our exclusive GreenStride™ comfort sole made using renewable sugar cane and rubber from trees.Delivering performance and comfort,this trainer is made using synthetic leather and ReBOTL™ fabric containing at least 50% recycled plastic.The laces are also 100% recycled PET. PRODUCT DETAIL • GreenStride™ comfort sole made of 75% renewable materials,including sugar cane and responsible natural rubber • Upper with synthetic leather • Upper and lining in ReBOTL™ fabric containing at least 50% recycled plastic • EVA-blend foam midsole for cushioning • 100% recycled PET laces • Rubber outsole for grip