Under Armour ColdGear Reactor Skort - Fitted: Next-to-skin without the squeeze. - UA Storm technology repels water without sacrificing breathability - ColdGear Reactor is intelligent insulation that adapts to your activity level for the right breathability & warmth for what you're doing - Lightweight, low-profile insulation embedded between two layers of performance fabric for the ultimate mix of warmth & breathability - Side stretch panels for extra mobility - Soft knit waistband sits just right on your hips - Polyester