Our original HeatGear fabric is very light and breathable. A stretch mesh gusset and panels at the waist provide strategic ventilation. Thanks to the improved ergonomic design, the seams are away from areas with high abrasion and thus increase their durability. The 4-Way Stretch technology allows for better movement in every direction. The material wicks away sweat and dries very quickly. Wide elastic waistband. Leg width: (+/- 3.81cm per size). Colour: Black Fit: slim fit Length: regular Technology: 4-Way Stretch, HeatGear - Highly breathable material that wicks away sweat. It will keep you drier and cooler than ever before. Products made of this material are designed for temperatures between +23°C to +37°C. Fabric: 86% polyester, 14% elastane