SIZING: Castelli products have a close-to-the-body fit to maximize aerodynamics and performance. For a less compressive feel, or if your measurements fall between sizes, we recommend that you size up.
IDEAL FOR: Road cycling, day tours, and endurance rides in cold weather, offering reliable warmth and moisture management. Temperature: -2°C - 10°C / 28°F - 50°F. Weight: 8.7 oz.
SOTTOZERO FLEECE FABRIC: 100% polyester multi-denier lightweight fleece locks in warmth while efficiently wicking away sweat to keep you dry and comfortable.
MID-HEIGHT COLLAR DESIGN: Provides additional neck coverage without restricting movement, making it an ideal baselayer under jerseys, vests, and jackets.
ERGONOMIC FIT & VENTILATION: Mesh armpit inserts enhance breathability, while flat Merrow stitching ensures a smooth, chafe-free feel for all-day comfort.
