Cool Coverage AND Support. The Nike Pro 365 Leggings wrap you in soft fabric that moves as you stretch, lunge and sprint your way through your toughest workouts. The mindful design is made with at least 50% recycled polyester fibres and mesh at the calf that lets your skin breathe when the temp starts to rise. Cool Comfort Mesh at the calves lets airflow to help keep you cool during high-heat training and competition. Sweat-Wicking TouchSoft fabric with Dri-FIT technology moves sweat from your skin for quicker evaporation to help you stay dry and comfortable. 87% Polyester, 13% Elastane.