12x148mm or 12x157mm

Construction: Fusion in-mould polycarbonate shell

Built with durable hard plastic material and nylon straps

STI Evolution Foam midsole

TLD A1 MIPS Youth Helmet - Youth - One Size Fits Most - Camo Army Virtual Parent 12x148mm or 12x157mmThe Troy Lee Designs A1 MIPS helmet is leading the way in the youth helmet category with a stylish design and a set of features that offer superior protection. The A1 youth helmet will give you maximum protection and performance like no other helmet. The youth A1 helmet from Troy Lee Designs is ready to conquer any ride, giving you kids confidence to fully enjoy the ride. With exceptional performance and safety, the A1 goes where no youth mountain