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 X-Small 28" - 30" Medium Small 30" - 32" Large Medium 32" - 34" Large Large 34" - 36" Large X-Large 36" - 39" Large XX-Large 39" - 43" Large