Under Armour Fly Fast Split Tight. Under Armour Fly Fast Split Tight. The women's running compression leggings from the original HeatGear will keep you dry during all your training activities. Compression helps reduce muscle wear and accelerates regeneration. The material used removes moisture and prevents odour. The design of the used Mesh panels provide maximum breathability. Wider waistband with drawstring to tighten. Used elements from high reflective material for safe training even in low light conditions. Zip closure pocket. The zips on the legs are used for their variable treatment. Leg length from crotch 71cm. Technology: Moisture Transport System (Wicks sweat away from your body to the surface of your clothes, making it easier to dry and keep you safe longer), Anti-Odor (keeps the upper fresh by preventing the growth of bacteria causing odor), HeatGear ( Unique, highly breathable material that quickly wicks sweat away). Material: 87% Polyester, 13% elastane