Accessories

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. - Water-repellent thermal and breathable Nano Flex fabric - Flat-lock stitching with a single seam - Double-sided silicone grippers to keep warmers in place - 12°-20°C / 54°-68°F - Weight: 89g

Soft and warm for those chilly dry days. Warm and soft Espresso thermal fabric Single-piece construction to reduce seams Silicone gripper at top prevents sliding

- Thermoflex fleece fabric is warm, stretchy, and soft - Single-piece construction with flat-lock seams - Embossed Castelli wordmark logos - Dual-sided silicone gripper elastic at top prevents sliding down

The bootie for all of your Unlimited adventures. Warm fleece-backed fabric with a DWR treatment to keep you warm and dry. The long zipper and stretch fabric make these easy to put on over bulky MTB or gravel shoes and ensure a perfect fit that isn't tight or constrictive. - Warmth and protection for cold-weather riding conditions - 4-way-stretch fabric with DWR and fleece backing - Zipper closure and reflective pull for easy on and off - Bottom opening accommodates road, gravel, or MTB shoes - Durable panel wraps around lower part to protect shoecover when walking

Neoprene for warm protection for dry or wet conditions. Road or gravel fit. - 2 mm neoprene for dry or wet conditions - Fits over road or gravel shoes - Minimal seams reduce water ingress - Velcro strap under foot to adjust for perfect fit - YKK® waterproof zipper at back - Reflective logo at back

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. - Water-repellent thermal and breathable Nano Flex fabric - Flat-lock stitching with single seam - Double-sided silicone grippers to keep warmers in place - 8°-20°C / 46°-68°F - Weight: 66g