Crest Navy Military Jockstrap. Navy military logo on soft garment-dyed fabric is pure comfort. 100% Cotton. Pre-shrunk for fit and comfort. Navy color. Small 28-30in or 71-76cm, Medium 31-33in or 78-83cm, Large 34-36in or 86-91cm, and XLarge 37-39in or 94-99cm. All sizing is per manufacturer. Made in the USA