Seirus Thermax Skull Liner
Where to Buy
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Here's what other sites are saying:
Ideal for cool-weather starts, slip the Seirus Thermax skull liner beneath your helmet or pack it as a minimalist beanie for light and fast adventures.
- REI refers to the men's version
Seirus Thermax Skull Liner is made with flat seam construction for comfortable fit. Thin, warm and comfortable.Warm, dry, wicking comfort.Thermax 4-way stretch polyester fabric.Layers under hats, fits under helmets.Reverses to solid black.Avg. wt. 1 oz.Import.