HeatGear is an ultra-light, soft and smooth fabric for maximum comfort. Strategic mesh panels for better ventilation where it's needed most. The construction with 4-Way Stretch technology allows the material to be elastic in all directions. The material wicks away sweat excellently and dries very quickly. You will stay fresh even after a greater sports performance. Ergonomic flat seams for greater comfort and mobility. Technological elastic waistband with Under Armour brand detail. Leg length from the crotch: YMD 13 cm (+/- 2.5 cm depending on size).