Rear dial knob for head size adjustment Side rails allow fitment of compatible accessories Hook and loop stickers allows fitment of safety lights and patches Integrated helmet shroud allows fitment for NVG mounts Materials: Plastic Color: Tan Helmet size: L/XL Helmet fit: 53CM-60CM Rail adapter 20MM X 1 W-L Adapter X 1 Helmet padding Hook and loop stickers Adjustable head strap Side rails w/Bungie retention for NVG Model:CA-334T