We tested the best thermal underwear for women from top brands like Ibex, Smartwool, Patagonia, Outdoor Research, Black Diamond, Montbell, Decathlon, Uniqlo, and Kari Traa to see which were best ...

That’s why, when I was given the opportunity to test their Icebreaker 260 ZoneKnit Long Sleeve Half Zip Thermal Top earlier this year, I jumped at the chance, charging head first into a base ...