COOL COVERAGE AND SUPPORT. The Nike Pro Crops wrap you in soft fabric that moves as you stretch, lunge and sprint your way through their toughest workouts. The mindful design is made with at least 50% recycled polyester and mesh at the calf that lets your skin breathe when the temp starts to rise. Sweat-Wicking Touch Soft fabric with Dri-FIT technology moves sweat from your skin for quicker evaporation to help you stay dry and comfortable. Cool Comfort mesh at the calves lets air flow to help keep you cool during high-heat training and competition. Comfort Around Your Core a wide elastic waistband holds them in place.