Castelli Pro Thermal Skully Womens Brilliant Yellow Unisize

With outstanding stretch, luxuriously soft and warm Thermoflex is ideal for cold weather apparel. Fleecy inside traps a layer of warm air next to your skin. High stretch allows for an aerodynamic fit.

• Thermoflex is warm, soft and stretchy
• Raw-cut edge lies flat and doesn't bunch under helmet
• Opening at back for ponytail