Shock Doctor Compression Hockey Pant w/ Athletic Cup, Hockey Jock, Men's & Boy's Constructed with supportive four-way stretch, moisture-wicking fabrics and Because of the compressive nature of this product, it runs small for the best support. Full length compression for comfort and support Core Flex Pocket design positions the lower third of the bio-shaped cup pocket in a more natural position for a closer and more comfortable fit Bio-Flex Cup has a unique, vented body with integrated gel perimeter pad for unrestricted movement and improved comfort Constructed with supportive four-way stretch, moisture-wicking fabrics