All Weather ProtectionRainwear AccessoriesHelmet Liner CapDesigned to fit tight to the head to give an extra layer of warmth without the bulk. Constructed from stretchy polyester elastane material, the HA18 is the perfect solution to fit under any helmet.Moisture wicking fabric helping to keep the body cool and dry4-way stretch fabric for ease of movement and added comfortRetail tag which aids presentation for retail sales