We flattened out the fibers in this running shirt and added some science to create a game-changing fabric that quickly pulls heat away from the skin-keeping you calm, cool, and crushing the miles at max capacity.Features:- Keeps You Cool- UPF 30 Sun Protection- Reflective Details- New, lighter Iso-Chill fabric helps disperse body heat, making it feel cool to the touch- Strategic laser perforations for added ventilation where you need it- UPF 30 protects your skin from the sun´s harmful rays- 4-way stretch material moves better in every direction- Material wicks sweat & dries really fast- Odor control technology minimizes odor- Side-vent hem- Reflective details for low-light runsSpecifications:- Material: 90% Nylon/10% Elastane