Base Layers & Socks

Delivers Ultimate™ protection to the critical face and neck areas.

• SFI 3.3 certified, includes SFI tag
• CarbonX base layer
• Moisture wicking
• Fits any full face helmet contour; wear in or out
• Made in the USA

Whether you race karts or racecars, a CoolMax balaclava vented headsock can help keep your head cool and dry. At K1 Race Gear, we know firsthand what it's like to have your helmet on for a long stint at the track, which is why we are pleased to offer our customers the CoolMax Vented Balaclava headsock.

• CoolMax fibers are specially designed to draw moisture away from the body and allow air circulation for quick evaporation
• A CoolMax balaclava can not only keep your head cool and dry, but it helps keep the inside of your helmet clean as well
• Vented For Maximum Breathability
• Easy Machine Washable Fabric

Whether you race karts or racecars, a CoolMax balaclava vented headsock can help keep your head cool and dry. At K1 Race Gear, we know firsthand what it's like to have your helmet on for a long stint at the track, which is why we are pleased to offer our customers the CoolMax Vented Balaclava headsock.

• CoolMax fibers are specially designed to draw moisture away from the body and allow air circulation for quick evaporation
• A CoolMax balaclava can not only keep your head cool and dry, but it helps keep the inside of your helmet clean as well
• Vented For Maximum Breathability
• Easy Machine Washable Fabric

180 g/m² Super Lightweight Material 50% Nomex, 50% innovative viscose fibers for ultimate in weight savings, flame resistance & thermal insulation to combat heat stress and fatigue.

• Exceeds both SFI 3.3/5 and FIA 8856 homologation standards
• Minimal flat stitched seams with specialized flame resistant thread for added comfort
• Special non-chemical dry treatment to promote cooling and combat odor
• Highest level of elasticity and softness

180 g/m² Super Lightweight Material 50% Nomex, 50% innovative viscose fibers for ultimate in weight savings, flame resistance & thermal insulation to combat heat stress and fatigue.

• Exceeds both SFI 3.3/5 and FIA 8856 homologation standards
• Minimal flat stitched seams with specialized flame resistant thread for added comfort
• Special non-chemical dry treatment to promote cooling and combat odor
• Highest level of elasticity and softness

The NEW K1 FLEX Tech Layers are constructed of the highest quality blend of 100% Nomex and natural viscose fibers. This innovative material construction offers not only superior flame resistance and protection against heat transfer, but is the ultimate choice for soft, lightweight comfortable underwear. Designed and tested specifically by top pros in Rally Cross, WEC and other endurance challenge series, the K1 FLEX Tech Layers are quickly becoming the top choice of racing underwear throughout all forms of racing.

• 180 g/m² Super Lightweight Material 50% Nomex, 50% innovative viscose fibers for ultimate in weight savings, flame resistance & thermal insulation to combat heat stress and fatigue
• Exceeds both SFI 3.3/5 and FIA 8856 homologation standards
• Minimal flat stitched seams with specialized flame resistant thread for added comfort
• Special non-chemical dry treatment to promote cooling and combat odor
• Highest level of elasticity and softness Available in men's sizes Small - 2XL

The NEW K1 FLEX Tech Layers are constructed of the highest quality blend of 100% Nomex and natural viscose fibers. This innovative material construction offers not only superior flame resistance and protection against heat transfer, but is the ultimate choice for soft, lightweight comfortable underwear. Designed and tested specifically by top pros in Rally Cross, WEC and other endurance challenge series, the K1 FLEX Tech Layers are quickly becoming the top choice of racing underwear throughout all forms of racing.

• 180 g/m² Super Lightweight Material 50% Nomex, 50% innovative viscose fibers for ultimate in weight savings, flame resistance & thermal insulation to combat heat stress and fatigue
• Exceeds both SFI 3.3/5 and FIA 8856 homologation standards
• Minimal flat stitched seams with specialized flame resistant thread for added comfort
• Special non-chemical dry treatment to promote cooling and combat odor
• Highest level of elasticity and softness Available in men's sizes Small - 2XL

The NEW K1 FLEX Tech Layers are constructed of the highest quality blend of 100% Nomex and natural viscose fibers. This innovative material construction offers not only superior flame resistance and protection against heat transfer, but is the ultimate choice for soft, lightweight comfortable underwear. Designed and tested specifically by top pros in Rally Cross, WEC and other endurance challenge series, the K1 FLEX Tech Layers are quickly becoming the top choice of racing underwear throughout all forms of racing.

• 180 g/m² Super Lightweight Material 50% Nomex, 50% innovative viscose fibers for ultimate in weight savings, flame resistance & thermal insulation to combat heat stress and fatigue
• Exceeds both SFI 3.3/5 and FIA 8856 homologation standards
• Minimal flat stitched seams with specialized flame resistant thread for added comfort
• Special non-chemical dry treatment to promote cooling and combat odor
• Highest level of elasticity and softness Available in men's sizes Small - 2XL

The NEW K1 FLEX Tech Layers are constructed of the highest quality blend of 100% Nomex and natural viscose fibers. This innovative material construction offers not only superior flame resistance and protection against heat transfer, but is the ultimate choice for soft, lightweight comfortable underwear. Designed and tested specifically by top pros in Rally Cross, WEC and other endurance challenge series, the K1 FLEX Tech Layers are quickly becoming the top choice of racing underwear throughout all forms of racing.

• 180 g/m² Super Lightweight Material 50% Nomex, 50% innovative viscose fibers for ultimate in weight savings, flame resistance & thermal insulation to combat heat stress and fatigue
• Exceeds both SFI 3.3/5 and FIA 8856 homologation standards
• Minimal flat stitched seams with specialized flame resistant thread for added comfort
• Special non-chemical dry treatment to promote cooling and combat odor
• Highest level of elasticity and softness Available in men's sizes Small - 2XL