Optimize your performance and protection with the Shock Doctor(R) Core Compression Shorts with Bioflex(TM) Cup. Its four-way stretch construction, moisture-wicking materials, and chafe-free flatlock seams deliver superior comfort. Designed with a Q Core flex pocket, this pair of compression short combos allows for full range of motion. The Bioflex(TM) Cup offers an integrated cup lock that keeps the cup in a natural, secure position FEATURES: Compression short with Bioflex(TM) cup Provides enhanced comfort and range of motion Features an integrated cup lock to keep cup in a natural position Constructed with supportive four-way stretch, moisture-wicking fabrics, chafe-free flatlock seams, vented mesh cup pocket Includes 2 Compression Shorts and 1 Bioflex(TM) Cup SHOCK DOCTOR ATHLETIC CUP SIZING CHART: Peewee: Recommended for ages 7 and younger Youth: Recommended for ages 7-9 Teen: Recommended for ages 10-14 Adult: Recommended for ages 15 and older