Flexible Fabric: High quality nylon is gentle and comfortable to the skin. Lightweight and quick dry mesh allows for airflow. Lightweight Material: Fine and soft lace mesh, visible and see through. Let you to be more sexy, increase romantic moments and make you to be enchanting and unstoppable. Bulge Enhancing Pouch: Design with elastic waistband and huge contour pouch, 3D solid U-convex cutting, effectively reducing constraint, Occasion: Men's jockstrap are without visible lines, ideal for Formal Suit, Sports Fitness and Gym Workout, Bike Cycling and Performing other strenuous activities American Size: Small = 28"-30", Medium = 32"-34", Large = 36"-38", X-Large = 40"-42", XX-Large = 44"-46".