The Shock Doctor Loose Hockey Jock Shorts is loosely ventilated, which provides ideal comfort and a relaxed fit. It features the Core Flex Pocket Support, where the supporter straps keep the cup in a comfortable, close-to-the-body position and complete coverage. The BioFlex Cup is another high-level protective feature and its exclusive ventilated design increases movement and improves comfort (BioFlex Cup included). The construction of materials used is complementary ventilated mesh, anti-microbial moisture-wicking fabric, and comfort waistband. Jock Size Waist Cup Size XX-Small 18" - 20" Small X-Small 20" - 22" Small Small 22" - 24" Small Medium 24" - 26" Small Large 26" - 28" Small