High-concerned chemical: none Craft of Weaving: Knit Model Number: 630-SJ Pattern Type: Solid Material: Polyamide,Elastane Origin: Mainland China CN: Guangdong Gender: Men Briefs & Boxers: BRIEFS Quick Dry Functionality This brief's quick dry feature allows for rapid evaporation of sweat, keeping you dry and fresh. Breathable Elastic Waistband The soft ribbed, breathable elastic waistband ensures flexibility and all-day wearability. U Convex Pouch Features a U convex pouch designed to enhance your natural shape for a more defined look. Low Waist Design The low waistband provides a sleek, modern look while ensuring a snug, comfortable fit. Ice Silk Material Crafted from premium ice silk, this brief offers a cool, soft touch against your skin for ultimate comfort.