🖤 Stay warm, stay sleek—winter’s ultimate under-helmet secret.
The Tough Headwear Skull Cap Helmet Liner is a lightweight, seamless winter beanie with an integrated breathable facemask, designed to keep you warm down to 10°F. Made from a 4-way stretch polyester-spandex blend with a brushed fleece lining, it fits comfortably under helmets without irritation. Ideal for cycling, running, and outdoor work, this one-size-fits-all liner combines thermal retention with moisture-wicking performance for all-day winter comfort.
| Manufacturer | Tough Headwear |
| Brand | Tough Headwear |
| Product Dimensions | 25.91 x 20.83 x 0.76 cm; 40 g |
| Item model number | egs EKM1000 |
| Manufacturer Part Number | Helmet Liner - Black - Mask |
| Inner Material | Fleece |
| Material | Polyester |
| Colour | Black - Mask |
| Special Features | Lightweight |
| Manufacturer | Tough Headwear |
| Country of Origin | USA |
| Item Weight | 40 g |
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