Crisp mornings, warm afternoons.
On days when you know you need something extra under your jersey, but you don't really want to feel an extra layer, grab Castelli's Pro Issue Sleeveless Base Layer. Constructed out of lightweight polyester 3D mesh, the top fits under a jersey and facilitates moisture transfer from your skin to your jersey to keep your temperature regulated on crisp fall days or cool spring mornings. The 3D mesh forms a thin insulating layer next to your skin to keep you warm, and as you heat up, the material will continue to wick away sweat to cool you off. On this year's version, Castelli widened the collar to fit better under aero jerseys and included a flat waist hem along the bottom to prevent chafing or irritation when tucking it into shorts.
- Item #CST008Z
- Q & A
Excellent spring & summer vest baselayer
- Familiarity: I've put it through the wringer
Great summer vest baselayer that Castelli "officially" rates for use from 60 to 77° F.
Very, very light; good looking; and well ventilated. I really love using this piece when climbing in 60-80° weather. During steep ascents, I unzip my jersey and this ultralight vest baselayer wicks sweat away and helps keep my chest not totally bare.
In weather above 80° (and esp > 90°) I would use Castelli's (or anyone elses) fish-net ("seamless") vest baselayer.
Sizing: Usually size up +1 with Castelli. Here also. I'm 5'10" and 185. The XL here fit perfect. Wrap around as designed. The size XL could easily fit a rider 180-200 lbs.