New with tags, wrong size purchased. Aerodynamic, dual stretch and seamless chest, shoulder, and arm panels provide a second-skin fit Strategic use of fabrics - Ventilated hip panels provide a perfect fit and enhanced breathability Ergonomic collar Arm cuffs and rear panel provide superior stretch and return without constricting Made in Italy Materials: Jersey: 78% Polyester / 22% Elastane Pockets: 90% Polyester / 10% Elastane Under arms: 88% Polyester / 12% Elastane UPF 15