The Castelli Viva Donna Skully - Is a simple formed Thermoflex skull cap designed to keep your head warm under your helmet.
Thermoflex is warm, soft and stretchy. The raw cut edge lies flat and doesn't bunch under the helmet.
This "ladies" version has a neat trapdoor design in the back that facilitates a ponytail.
- Thermoflex is warm, soft and stretchy
- Raw cut edge lies flat and doesn't bunch under the helmet.
- Opening at the back for a ponytail
- Size range - Uni-Size
Castelli Cycling is the most innovative, stylish and prestigious cycling clothier in the world. Decades of pro cycling development and a passion for perfection in materials, cut and performance has seen the brand reinvent cycle wear time after time. From the first Lycra shorts to sublimated printing, the game-changing Gabba and aerodynamic apparel, Castelli continues to set a path that others can only follow while maintaining generations of Italian heritage. Read more about Castelli.
Founded by real cycling enthusiasts in 2004, our passion for elite performance runs through everything we do at Saddleback. Our team of dedicated roadies, mountain bikers and triathletes practice what we preach to bring you the finest cycling products and a superior service to match. We're the official UK home of 3T, Alchemy, Castelli, Chris King, ENVE, Intense, Sidi, Silca, Stages and Troy Lee Designs.