Castelli Pro Thermal Cycling Neck Warmer - Black BackInStock-08-06-2026 making it easy to have

making it easy to have on the go

Enjoy extended off-grid adventures with solar power providing up to 92 hours of battery life in GPS mode (assumes continuous use for entire period in 50

The 4 in 1 black design is compatible with: BBB CrossStop

With an emphasis on durability

5 point added protection absorbs pressure and guards against impact abrasion

Castelli Pro Thermal Cycling Neck Warmer - Black BackInStock-08-06-2026 making it easy to haveMade from thermoflex fabric it is warm, soft to the touch, and high stretch, keeping comfort levels high. Ideal for stopping cold air entering the top of your jacket on those cold winter rides. Features: Thermoflex is warm, soft, and stretchy Flat lock stitching Can be used as neck warmer, bandana, or cap Raw cut edge for less bulk