The Troy Lee Designs 7855 Youth Upper Protection LS Shirt is an impact protective piece of clothing with Shock Doctor technology. A neck brace is integrated into this long sleeve MTB shirt, which is a high-end piece of upper body armour. The anatomical design of this body armour provides a close fit to protect the chest, ribs, back, spine, clavicles, shoulders, and biceps.Troy Lee Designs 7855 Youth Upper Protection LS Shirt FeaturesShock Doctor technologyNeck brace integration patent-pending design is compatible with leading neck braces without compromising fit and protection (removable upper chest/spine and clavicle pads accommodate ideal fit with brace)Strata foam articulates with complex body zones while providing impact protection (removable, rib and bicep pads for coverage preferences)Vent-trak moves air through flexible channels over the skin surface to cool as you rideHex mesh disperses impact with a dimensional mesh construction that allows air to flow freelyAnatomical design provides a close fit while integrated zones protect the chest, ribs, back/spine, clavicle, shoulders and biceps.