samshield helmet liner shadow round 2 0Helmet liner ideal for round head shapes Designed to adapt precisely to your head shape for a perfect fit and enhanced comfort Optimises stability without compromising ventilation Each shell can accommodate 4 to 5 liners of different sizes for a perfectly customised fit The system also allows you to follow a young rider's growth over time Memory foam ensures consistent thickness throughout years of use Removable inner liner, washable as needed thanks