samshield shadow 2 0 helmet linerThe new Shadow 2. 0 liner is closed at the forehead Optimises stability without compromising ventilation Each shell can accommodate 4 to 5 liners of different sizes for a perfect fit to the rider's head This system also makes it possible to follow a young rider's growth The memory foam maintains a consistent thickness over years of use Removable and washable inner liner, easily secured with a highly durable clip system