Kingmerlina Men's Beach Sexy Pocket Lace-up Swimming Underwear Navyblue 80% nylon Material components: 80% polyester + 20% spandex, soft and breathable. Model: height 5'10'', weight 180lbs, waist 33" choose Size (US X-Large Waist 31-34 inches). Zip pocket in the front for secure storage,with elastic waistband and adjustable drawstring. Size: US S/ Asia M /Waist 25-28 inches; US M/ Asia L /Waist 27-30 inches; US L/ Asia XL /Waist 29-32 inches; US XL/ Asia XXL /Waist 31-34 inches Machine Wash or Hand Wash in the cold water for easy care, do not Bleach.Hang or lay flat to dry, quick drying.