The BOSS Rugby Short Sleeve shirt from Velocity Systems keeps you in comfort when things heat up. The moisture wicking, breathable material is perfect for a base layer or range shirt. A polo-style collar will keep your rifle sling off your neck, and keep you looking professional. Hook and loop on each shoulder pocket lets you slap on any patches or identifiers, well suited for instructors or range officers Features Modern Rugby Style Collar Two Envelope Pockets on the Sleeves Loop on Sleeve Pockets Highly Breathable Enhanced wicking chemistry Soil Release Treatment Dynamic Stretch and Recovery Odorexx™ Antimicrobial Non-chafing Heat Seal Tagless Label 83% Nylon 17% Spandex Sizing Guide Small:  38" Chest / 30" Waist Medium: 40" Chest / 32" Waist Large: 44" Chest / 34" Waist X-Large: 46" Chest / 38" Waist XX-Large: 52" Chest / 44" Waist