Castelli NanoFlex 3G Cycling Knee Warmers - Black Limited Stock replaceable battery insures that light

replaceable battery insures that light can be used as long as the lock

which means that you can easily double – or triple – the burn time by simply bringing more batteries

fitness level and training history

Sleep Plus™ - Sleeping well will help boost your recovery and performance

performance tests and recovery tracking

Castelli NanoFlex 3G Cycling Knee Warmers - Black Limited Stock replaceable battery insures that lightNANO 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