Get full roost coverage without the bulk with the Thor Sentinel Chest Protector. Slim and versatile the Sentinel Chest Protector combines structural rigidity with form-fitting security to offer you comfort and protection with no compromise. Lightweight design weighs in at a mere 1.4 pounds. Impact-resistant, injection-molded plastic shell covers a bio-foam interior for maximum fit and impact deflection. Ratchet buckle-style closure system ensures a secure fit. Numerous vents and air channels provide maximum ventilation. Includes back strap and number plate so you can race right out of the box. (Numbers not included.) Neck brace compatible. Fits most riders 120 - 200 pounds.