See the link at the bottom of the description

polycarbonate core with impact-absorbing TPU edge to edge outer shell

these are a slip on sleeve style pad

The lightweight and highly breathable structure mean you'll finish (almost) as fresh as you started

despite its extra protection

Seven 7 iDP M1 Youth Full Face Helmet - Youth L - Army Green Exclusive See the link at theLightweight Full Face Protection the M1 Full Face Helmet is perfect for anything from racing to full days of uplifting or bike park laps. Our M1 Helmet is the ideal helmet to keep you protected and comfortable. The M1 Helmet has four colour choices so theres something for everyone in sizes from Youth Medium through to Adult XL. TECHNICAL DETAILS: Foam padded internal muzzle maximises protection and foam backed vents keep debris out. Adjustable peak