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Castelli Viva Thermo Skully

The Castelli Viva Thermo Skully is thin but warm thanks to Thermoflex fabric. It completely covers the head and the compressive material easily fits under a helmet. Perfect for those who like warmth without the bulk, this is one of our best selling skull caps.


  • Thermoflex fabric for warmth and comfort
  • Flat-lock seams join directional stretch panels for best fit, no irritation
  • Raw cut edge lies flat under helmet
  • Bold style and sublimated graphics
  • Size: One Size
  • Colors: White, Black, Red
  • Weight: 35 grams

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