High-performance baselayer jersey with tight fit and mesh panels for excellent function during high-intensity workouts. Recycled fabrics.?Supertight fit?Thin, lightweight and elastic fabric that is channel-knitted to trap air and provide warmth?Coolmax-Air fiber against the skin enhances cooling and moisture transport?Flatlock seams that follow body movements?Mesh inserts at armpits for enhanced ventilation where it´s most needed?This product is made with SeaQual polyester that is produced from recycled plastic from the ocean?Crew neck