Designed for running and training. Seamless collection: chafe-free, breathable, moisture-wick and four-way stretch. Slim fit, hip length. Athletic crew neck raglan long sleeves with thumbholes to protect your hands and keep sleeves in place. Back, under arm and side panels with mesh inset to wick moisture away. Perfect on its own or as a layering piece. Made for running, yoga, walking, hiking, skiing, or casual wear. Seamless Fabric: 1)Plain Color: 100% Polyamide; 2)Heathered: 65% Polyamide, 35% Polyester