Features:- Lightweight In-Mould Construction - Large Vents Keep Your Head Cool In All Conditions - Air Flow Channels Direct Air Through The Helmet - One-Handed Micro Adjust Fit System With Multiple Anchor Points For Wide Range Of Adjustment - Fast Wicking, Quick Dry, Soft Touch, Removable Padding - Covered By Endura'S Crash Replacement Policy And Endura Product GuaranteeSpecifications:- Main: Polystyrene 50% Polycarbonate 25% Polypropylene 15% Nylon 5% Polyester 5%