Castelli Nano Flex 3G Arm Warmer Belgian Blue Variant:Castelli Arm Warmer Nano Flex 3G Belgian Blue - L You can now attach the

You can now attach the case to almost anywhere from backpacks to belts

Mid BB shell and 20

Technical Specs:

4mm Seat Post Clamp Integrated

Castelli Nano Flex 3G Arm Warmer Belgian Blue Variant:Castelli Arm Warmer Nano Flex 3G Belgian Blue - L You can now attach theNano Flex for the ultimate warmer: warm and comfortable in dry conditions, water repellent in damp conditions, and still warm in extreme conditions. Product features Water repellent thermal and breathable Nano Flex fabric Flat lock stitching with single seam Double sided silicone grippers to keep warmers in place Technical Features Insulation: 3 5 Waterproofness: 3 5 Windproofness: 3 5 Breathability: 4 5 Lightness: 4 5 Weight: 66gm Temperature: 8C 20C