Male Basics DNGEON Cock Ring Jock Strap Black O/S comes as a hanging garment for display. This high quality Cockring Jockstrap boasts wide straps to the front that sit at the hips and provide a comfortable fit. Metal studs add that extra dose of interest, while an open buttocks offers a unique look. You could even wear it as underwear for that seamless look beneath tight clothing. More information SKU DMBL01-Black-OS. Color FilterBlack. Color Black. Material Faux Leather jockstrap, metal rings. BrandDNGEON. UPC 804859874504. How to measure for size: take a measurement tape and your posture should be nice and straight, without holding in or sticking out your stomach, Locate the bones on the right and left side of the abdomen. For Male Basics Underwear measure approximately 5 Inches under the belly button. Now locate the range between any of the values on the table and that would be your size. One size fits men with 30 inches to 36 inches waist.