Features: Engineered with premium polyester and elastane fabric, these men's sport briefs deliver breathability and quick dry performances, keeping you comfortably dry during intense workouts through advanced moisture wicking technology. The flat cut design combines a comfortable silhouettes with soft elastic waistbands, offering full ranges mobility and reduced friction for comfort. Ideal for fitness enthusiasts, outdoor adventurers, and professionals seeking practical support during extended sitting or high intensity activities. Perfect for gym, training, hiking trips, or prolonged office hour. These practical polyester underwear maintains shape integrity while the stretchable waistband adapts seamlessly to various body types without constriction. Specifications: Component: Polyester,Elastane Optional Color: As picture shown Optional Size: app. As picture shown(Chinese Size,follow the size chart) Size:M Length:37cm(14.57inch) Waist:37cm(14.57inch) Thigh Cuff:23cm(9.06inch) Size:L Length:39cm(15.35inch) Waist:39cm(15.35inch) Thigh Cuff:24cm(9.45inch) Size:XL Length:41cm(16.14inch) Waist:41cm(16.14inch) Thigh Cuff:25cm(9.84inch) Size:XXL Length:43cm(16.93inch) Waist:43cm(16.93inch) Thigh Cuff:26cm(10.24inch) Quantity: 1pc Package Includes: 1pc Men Underwear note: Please allow 1-3cm error due to manual measurement. please sure you not mind before you bid. Due to difference between different monitors, the picture may not reflect the actual color of item.