Axial Base Helmet Liner - 2 Pack This Axial Base Helmet Liner will keep you head cool on those sun baking days. Features breathable, moisture wicking material and a tagless, low profile for a smooth, comfortable fit. The main headband uses 4-way breathable stretch material made from 95 polyester and 5 spandex while the ultra-high-flow mesh upper allows air to flow over the top of your head and out the exhaust ports of your helmet. Features: Main headband using 4 way breathable stretch (95 polyester stretch and 5 spandex) Ultra high air flow mesh at the top of the head(88 polyester stretch mesh and 12 spandex) Low-profile flatlock stitching and seams enhance comfort and increase mobility Breathable, moisture-wicking, quick drying fabric Sold in pairs (2 pack)