Castelli’s Viva Thermo Skully uses a thin Thermoflex fabric which offers excellent warmth while also providing excellent moisture management that will fit easily under your helmet.
The raw cut edges eliminate any bulk under the helmet straps keeping comfort at the maximum. Castelli keep it simple with the Skully but create perfection.
Top Features of the Castelli Viva Thermo Skully
- Thermoflex fabric
- Flat lock stitching
- Raw cut edge lies flat to avoid bunching under helmet
- Unisex, one size.