The BALZY Jockstrap cups everything and has an opening at the top. This style comes with leg-straps like a jockstrap to hold everything in place. Knitted pouch. Fabric: 70% Polyester 15% Cotton 15% Rubber.
GBGB size guide: Small = 28-30 inches (71-77 cm) Medium = 31-33 inches (78-84 cm) Large = 34-36 inches (85-92 cm) X-Large = 37-38 inches (93-97 cm)