Keep the chill out and the warmth in. This stretchy midlayer has a stellar warmth-to-weight ratio. A half-zip offers easy venting as you increase your intensity.
- AdvancedSkin Warm polyester, spandex has a heat-trapping grid pattern
- Articulated sleeves won't restrict movement
- Half-zip lets you control ventilation
- 360-degree reflective treatment for viz in low-light conditions