Get plenty of protection with Fox’s Baseframe Pro Base Layer. Large perforations in the foam provides ventilation, while flex grooves provide flexibility, and the stretch mesh operates to ensure minimal restrictions for maximized benefits.


  • Exceeds EN1621-1 Level 1 Back certification including high and low temperature conditions
  • Removable CE Certified D3O® Viper™ back insert features world leading impact protection technology
  • Large perforation and flex grooves in the back foam contours and flexes with rider movement
  • EN1621-1 Level 1 D3O® shoulder inserts for additional protection
  • Body Heat: activates (softens) the polymer to conform to body
  • Moisture Wicking, Open Stretch Mesh: for temperature regulation and breathability