From its seamless construction for reduced friction and chafing to the moisture-wicking finish, this zip-front jacket is designed to keep up during your most aggressive workouts. It features the high-tech powerCELL support system for your most efficient workout and harnessing your power for optimal endurance. And the figure-flattering fit doesn’t hurt either. Features: 95% Nylon, 5% Elastane for comfort and stretch. Wicking finish for advanced moisture/odor control. Two-way zip opening for ventilation. powerCELL system for upper body support. 95% Nylon, 5% Elastane Seamless, Wicking Finish.