With the Troy Lee Designs Upper Protective Shirt 7850, your guaranteed protection and comfort in hot weather runs. The short sleeve design and open armpits maximise ventilation without compromising protection.Shock Doctor technology with Neck brace integration design is compatible with leading neck braces without compromising fit and protection. Offering you protection while keeping you cool in hot weather.The removable protection armour pieces allow for ultimate rider customization (chest, back, rib cage, abdomen, shoulder, arms)Key Features: Upper Protection Shirt 7850, Features \"shock doctor\" technology - hot weather base protective vest, Strata-foam - articulates with complex body zones while providing impact protection, Vent-track - moves air through flexible channels over skin surface to cool the rider, Open armpit design & wide neck opening for comfort, Anatomical design - provides a close fit while integrated zones protect the chest, ribs, ,shoulders and upper arm..