Castelli Pro Thermal Headthingy Bordeaux Unisize

Neck warmer, cap, face mask, balaclava or all four? This tube of warm, fleecy Thermoflex will keep your neck warm, or it has a myriad other uses in cold weather.

• Thermoflex is warm, soft and stretchy
• Can be used as neck warmer, bandana or cap
• Sublimation-printed graphic