High-concerned chemical: none Craft of Weaving: Knit Pattern Type: Solid Model Number: hy99 Material: Nylon Briefs & Boxers: Boxer Shorts CN: Guangdong Origin: Mainland China Gender: Men Main fabric composition: nylon waist shape: mid waist Applicable categories of people: adult IPO time: Summer 2026 function: Sports, Quick Drying, Antibacterial Suitable for the season: Universal in all seasons Welcome to our Store - Your Comfort, Our Priority 1.Why Choose Our Underwear? Skin-Friendly Fabrics Breathable, soft, and hypoallergenic for all-day comfort. No Deformation: High-quality elastic waistband and leg cuffs that stay put without rolling or digging in.Moisture Wicking: Keeps you dry during workouts or daily activities. 2.Size measured by ourselves,sometimes has some errors, but always within 1-3cm.We recommend choosing the RIGHT SIZE according to the WEIGHT.If you cannot choose, you can contact us to serve you. 3.Shipping Orders are processed within 1-3 business days.Tracking number will be updated automatically. 4.Contact Us If you have any issue (size, shipping, quality), please message us before opening a dispute.We usually reply within 24 hours.