The Hot Summer Has Arrived. Every Man Needs A More Breathable And Comfortable Underwear. This Internal Medicine Uses Cotton-Spandex Fabric, Which Feels Soft And Medium-Stretched. The Space Capsule U Convex Bladder Design Conforms To The Characteristics Of Male Body. 3.5cm High Elastic Elastic Waist Belt, Allowing The Waist To Stretch Freely. Selected High-Quality Fabrics, Good Elasticity, Easy To Dry, Soft And Fit.