The Immersion Research Thermo Cap Helmet Liner is a super thin liner with a brushed neoprene to help manage moisture. If you stretch the Thermo Cap over your ears it works great for keeping your ears from direct impact of cold water. The DWR finish sheds water quickly. Meant to be worn under your helmet.

Features

• Over the ear fit
• 4-way stretch, abrasion-resistant nylon
• Soft Lycra binding around the edges
• Made with.5 mil brushed neoprene
• Windproof, warm and insulating helmet liner
• Low profile design fits right above ears