PowerTek Adult Men's Compression Fit Ice Hockey Jock Shorts, Cup & Tabs for Socks Sizing Guide (Waist Size): Small: 30-32" / Medium: 32-34" / Large: 34-36" / X-Large: 36-39" / XX-Large: 39-43" Lightweight and offers good breathability Compression fit; Moisture wicking Machine washable and highly durable Cup included