Profila Thermal fabric traps body heat and wicks moisture to keep you warm and dry. Provides biomotion visibility so you'll be seen day and night. Anatomic left and right articulated design provides a perfect fit. Soft, custom jacquard gripper with silicone print allows for a stay-put fit. Semi auto-locking zips make for easy on and off. The fitted cut provides a streamlined body fit for enhanced performance.