In the heat of battle, roost deflection is the name of the game, and the Sentinel LTD Roost Guard is all about Player One. This low-profile and lightweight design features plentiful ventilation for maximum airflow, a molded comfort liner, and dynamic adjustability at the shoulders and waistline for a secure, tailored fit. Designed to be worn either under or over the jersey, the Sentinel LTD looks just as good as it performs.Lightweight low-profile front and back panel designPress-Fit molded and ventilated comfort liner systemAbundantly placed ventilation ports for maximum coolingAdjustable elastic closure with ratcheting buckleAdjustable shoulder straps and adjustable/removable shoulder pads allow rider custom fit and feelFits most riders 120 - 185 pounds (54 - 84 KG).