2013 Bianchi Black Man's Long Bicycle Cycling Pants Comfortable Outdoors Cycling Bike Pants Jersey Material: 100% Polyester; Short Material: 90% Polyester, 10% Spandex COOLMAX: Quick-Dry function and make you feel more comfortable. Lightweight material with moisture wicking technology Cycling tight pants have 4-Way stretch compression performance, which grab your muscles tightly and provide better performance for all your activities Elastic joint body curve,further reducing the wind resistance Specification:S M L XL XXL XXXL (Please choose the size according to our size chart)