The VaprThrm skull cap can be worn alone or underneath most adjustable helmets. It is lined with PowerStretch fleece for incredible softness and warmth. When worn in conjunction with our FrostNot mask the combo offers near impenetrable protection.

• VaprThrm PowerStretch Laminate
• Lycra binding for snug fit
• 2.10oz
• Sizing chart below:

Head Circumference

XS - 20"

S - 21"

M - 22"

L - 23"

XL - 24