Castelli NanoFlex 3G Cycling Knee Warmers - Black BackInStock-29-07-2026 these lightweight

these lightweight

Lightweight and slim

keeping your hands warm and dry

Consumption: During activity we are advised that most people will metabolise 300-400 calories per hour

Tail light strap

Castelli NanoFlex 3G Cycling Knee Warmers - Black BackInStock-29-07-2026 these lightweightNANO FLEX ALL CONDITION WARMERS Choose Nano Flex for warmers that are great in dry conditions but also give some extra protection and warmth in wet conditions. We invented the category of water protective thermal fabrics, and Castelli's proprietary Nano Flex is often imitated but never equaled. No compromises for any conditions. Features: Water repellent thermal and breathable Nano Flex fabric Flat lock stitching with single seam Double sided silicone