Steel core with padded outer cup for complete groin protection. Comfortable fit with briefs. Steel Cup with strings to tightly secure it in place for a snug fit. Three strap design is completely adjustable and can be removed for easy cleaning. Available in sizes Regular (small/medium) or Large (Large/XL). Regular: 4.5 in wide by 6 in long (12 cm x 15 cm). Large: 5 in wide by 6.25 in long (12.5 cm x 16 cm)