Ferrand-New Bike Cycling Riding Suit Set-Coolmax Paded Short Sleeves Bike Jersey+Outdoor Bib Shorts-Wolf Howl Please check seriously our size chart in the pictures/description before placing your order Material: 85% Polyester, 15% Elastane COOLMAX: The Coolmax Pad clings closely to your skin and it is very soft.It can consistently resist bacteria and germ.It can absorb the sweat,keep your temperature and minimize the friction.Coolmax make your cycling drier and more comfortable. When you perspire,the jersey can keep you dry,helps keep the body temperature so that you feel much comfortable. Jersey Material: 100% Polyester Shorts Material: 80% Polyester 20% Lycra