Castelli Pro Thermal 2 Cycling Skully Cap - Black BackInStock-04-08-2026 This seasonal jumper will be

This seasonal jumper will be a contemporary addition to their winter wardrobe

Stack height: <20mm

while integrated Ni-Ti alloy memory wire delivers a clamping force that's secure without being uncomfortable – even during intense activities

We tested various patterns

Castelli Pro Thermal 2 Cycling Skully Cap - Black BackInStock-04-08-2026 This seasonal jumper will beThe Pro Thermal 2 Skully will add a touch of warmth under your helmet on a chilly day, while feeling comfortable against your scalp. Made from soft, stretchy material for a universal fit, it is constructed with flat lock stitching and raw cut edges for a smooth finish. Features: A warm skull cap that won't bunch under your helmet Made from soft, stretchy Thermoflex material With flat lock stitching and raw cut, lie flat edges Reflective detailing adds