Under Armour Layered Up ColdGear Women's Running Tights 87% polyester Dual-layer EVO ColdGear Construction - Combines a smooth, fast-drying exterior with a brushed, heat-trapping interior. UA Compression Fit - Provides support whilst simultaneously increasing blood flow to larger muscle groups. Moisture Transport System - Wicks sweat away from the leaving you comfortable and dry. Wide, Flat Waistband - Allows the wearer to achieve a personalised fit. Advanced Seam Placement - For the perfect performance fit.