The most popular liner for all Samshield helmets. Refresh or fine tune the fit of your Samshield helmet with this washable, memory foam replacement liner that fits both the Shadow Matt and Alcantara styles. Samshield’s innovative sizing system allows great flexibility in fitting, with each of their three helmet shell sizes designed to accommodate different liner sizes, allowing a secure and stable adjustment to the rider’s head. One Color. Sizes 6 3/8 through 7 5/8.