Fractel F-Series Premium Running Caps Thorlo The dual-chambered design is especially

The dual-chambered design is especially beneficial for sprinters

Its combination of style

Its curved design works harmoniously with the ZoomX foam to create a propulsive feel that drives you forward

it aims to provide a sustained energy source by quickly raising blood ketone levels to an optimal range

superior grip

Fractel F-Series Premium Running Caps Thorlo The dual-chambered design is especiallyThe new F Series Cap is a reworked silhouette designed for a more fitted feel and aesthetic. With a 56. 5cm circumference, this new model features a shorter peak (5cm) and uses an updated, curved panel structure allowing for extra breathability, packability and overall performance. Size: 56. 5cm Features: Bluesign certified fabric 1% For The Planet Contributor Breathable fabric designed to keep you cool UPF +30 sun protection on the brim and body