It's warm. It's thick, but the fit is okay. Hello, customer. Thank you for your valuable review. GVG is happy that our customers like it! It's thick so I think it'll be great to wear in winter! From Topo Design’s clothing to daily necessities We ask for your interest in GVG as there are many different products. If you visit GVG often in the future, we will thank you. We will do our best to provide you with a highly satisfying shopping experience :) thank you have a good day!