The Fox Defend Skull Cap is the insulated under-helmet cap designed for your coldest mountain bike rides. Lightweight with a minimalist design, it fits under most helmets and helps regulate heat to keep your head warm and dry even as the temperature drops.
The insulating polyester fabric with a small percentage of elastane wraps the head snugly without adding unnecessary bulk, so your helmet still fits the way it should. The idea is simple: warmer riders ride longer. That's why the Defend Skull Cap is an accessory to keep close at hand through the cold months, and on chilly shoulder-season mornings too.
Warmth and comfort of the Fox Defend skull cap
- Light, insulated fabric that actively regulates heat
- Helps keep your head warm and dry while you work hard
- Stretch construction for a snug, stable fit
- Slim profile designed to sit under the helmet
Compatibility
- Minimalist design that fits under most bike helmets
- One size fits most
Ideal use
- Winter MTB rides and windy days
- Long descents, when the cold air bites hardest
- Dawn or dusk rides in the shoulder seasons
- City commuting by bike during the cold months
Why choose the Fox Defend Skull Cap
- Light and easy to stash in a pocket or pack
- Thermal insulation without bulk under the helmet
- Part of the Defend line, Fox's range for trail and enduro
- Easy care with a cold machine wash
Small in size but decisive when it's cold, the Fox Defend Skull Cap lets you extend your riding season without giving up comfort under the helmet.
TECHNICAL SPECIFICATIONS
General
- Brand: Fox
- Model: Defend Skull Cap
- Type: insulated under-helmet cap
- Use: mountain bike, winter cycling
Materials
- Composition: 94% polyester, 6% elastane
- Fabric: light and insulating
- Care: machine wash cold on gentle with mild detergent, wash dark colours separately, line dry in the shade, no fabric softener or bleach, do not iron, do not dry clean
Compatibility
- Helmets: fits under most helmets
Sizes/Colours
- Colour: Black
- Size: U (one size)
The Fox Defend Skull Cap is the insulated under-helmet cap designed for your coldest mountain bike rides. Lightweight with a minimalist design, it fits under most helmets and helps regulate heat to keep your head warm and dry even as the temperature drops.
The insulating polyester fabric with a small percentage of elastane wraps the head snugly without adding unnecessary bulk, so your helmet still fits the way it should. The idea is simple: warmer riders ride longer. That's why the Defend Skull Cap is an accessory to keep close at hand through the cold months, and on chilly shoulder-season mornings too.
Warmth and comfort of the Fox Defend skull cap
- Light, insulated fabric that actively regulates heat
- Helps keep your head warm and dry while you work hard
- Stretch construction for a snug, stable fit
- Slim profile designed to sit under the helmet
Compatibility
- Minimalist design that fits under most bike helmets
- One size fits most
Ideal use
- Winter MTB rides and windy days
- Long descents, when the cold air bites hardest
- Dawn or dusk rides in the shoulder seasons
- City commuting by bike during the cold months
Why choose the Fox Defend Skull Cap
- Light and easy to stash in a pocket or pack
- Thermal insulation without bulk under the helmet
- Part of the Defend line, Fox's range for trail and enduro
- Easy care with a cold machine wash
Small in size but decisive when it's cold, the Fox Defend Skull Cap lets you extend your riding season without giving up comfort under the helmet.
TECHNICAL SPECIFICATIONS
General
- Brand: Fox
- Model: Defend Skull Cap
- Type: insulated under-helmet cap
- Use: mountain bike, winter cycling
Materials
- Composition: 94% polyester, 6% elastane
- Fabric: light and insulating
- Care: machine wash cold on gentle with mild detergent, wash dark colours separately, line dry in the shade, no fabric softener or bleach, do not iron, do not dry clean
Compatibility
- Helmets: fits under most helmets
Sizes/Colours
- Colour: Black
- Size: U (one size)
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