the lenses control the colour spectrum for enhanced contrast and colour definition

35% wool (merino)

3D mapping results in near custom fit and freedom of movement

The Fission SV MItten is built with insulated with 200g Primaloft Silver

Focused for lower output activities in cool temperatures

Castelli Nano Flex 3G Arm Warmer Size:M the lenses control the colourChoose 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. Water repellent thermal and breathable Nano Flex fabric Flat lock stitching with single seam Double sided silicone grippers to keep warmers in place