





Take on the trails with confidence and comfort in the Giro Chrono Thermal Long-Sleeve Bike Jersey. Engineered for the adventurous mountain biker, this jersey features high-loft Chrono Thermal Fabric, designed in Italy and enhanced with a DWR finish to keep you warm and dry, even in cold, damp conditions. The jersey's Expandable Storage Pockets (ESP) stretch to accommodate tools and bottles, ensuring essentials are always within reach. Specialized grippers prevent slipping, keeping the jersey in place during intense rides. Reflective details offer improved visibility in low-light conditions, while the zipper chin guard provides extra comfort by preventing chafing.
Size Guide
| Size | Chest | Waist |
|---|---|---|
| XS | 33 - 35” | 27 - 29” |
| S | 35 - 37” | 29 - 31” |
| M | 38 - 40” | 31 - 33” |
| L | 41 - 43” | 33 - 35” |
| XL | 44 - 46” | 35 - 37” |
| XXL | 47 - 49” | 37 - 39” |
| XXXL | 50 - 52” | 39 - 41” |
Chest — To determine your chest size, wrap a measuring tape around your natural chest, just under the arms.
Waist — To determine your waist size, wrap a measuring tape around your natural waist. Then use the chart as a guide, but allow for some variance based on how you prefer the garment to fit.
These size charts and conversions are meant to serve as a guide. Giro recommends you try on before riding to ensure full comfort and performance.