Originally Posted by Riveting

Suggestion: Gore Phantom 2.0 jacket. I own two of these, first a size Lg. and then a Med. since I lost so much weight cycling
- Windstopper fabric, feels like you're riding behind a brick wall of wind protection
- full zip
- breathable back panel
- removable zippered sleeves make it into a vest (with built-in thin shortsleeves)
- with a thin base layer, this combo worked for me down to -10 C.