The N-Ferno 6813 Winter Skull Cap Helmet Liner is lightweight and breathable for warm comfort in mild to cold conditions. Designed to fully  cover the head and ears, this low-bulk thermal skull cap can be comfortably worn on its own or beneath helmets and hard hats. With a brushed thermal interior and durable pill-resistant exterior, this winter beanie is made for long-lasting wear.

This winter helmet liner is ideal for those working in construction, transportation, warehousing, refrigerated areas and more. Can also be worn for weekend activities such as hunting, climbing, running, cycling and skating.

• THERMAL COMFORT - Stretchable poly-spandex blend with brushed interior for a warm snug fit
• LIGHTWEIGHT & BREATHABLE - For warm comfort in mild to cold conditions
• PILL-RESISTANT - High-quality material is durable and resists pilling for long-lasting use
• LOW-PROFILE - Can be worn alone or under a hard hat
• FULL COVERAGE - Fully covers forehead and ears
• ONE SIZE FITS MOST
• MACHINE WASHABLE