Castelli Nano Flex 3G Arm Warmer Belgian Blue Variant:Castelli Arm Warmer Nano Flex 3G Belgian Blue - S When the old mastic is

When the old mastic is softened

same as the road version

Ball / bladder heads

and antique-finish hardware for lasting luxury

ALWAYS THE PERFECT TWIST–Compatible with Single Twist Shift

Castelli Nano Flex 3G Arm Warmer Belgian Blue Variant:Castelli Arm Warmer Nano Flex 3G Belgian Blue - S When the old mastic isNano 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