Boys' sports boxers made of lightweight HeatGear® material, which wicks away sweat perfectly and dries very quickly. Thanks to the addition of elastane and 4-Way Stretch technology, these shorts are extremely flexible and allow free movement without any restrictions. Ideal for all types of sports where you can use a tight-fitting cut that ensures better blood circulation to the muscles. HeatGear® is an ultra-lightweight, soft and smooth fabric for maximum comfort Strategic mesh panels for better ventilation where it's needed most construction with 4-Way Stretch technology allows the material to be elastic in all directions the material wicks away sweat perfectly and dries very quickly Anti-odor technology eliminates the growth of odor-causing bacteria ergonomic flat seams for added comfort and mobility technological elastic waistband with Under Armour brand detail leg length from the crotch: YM 13 cm (+/- 2.5 cm depending on size)