The Best Women’s Base Layers of 2027

What to know: The best base layers manage moisture and regulate body temperature in cold weather. After testing all last winter, our team of expert testers named the Smartwool Thermal Merino Mock Neck the best overall base layer for women, and the Kari Traa Saga Half Zip and Pants the warmest base layer for women. Keep reading for four more top recommendations.
You can’t construct a strong building on a weak foundation. The same goes for layering. The best waterproof shell in the world won’t save you if you don’t wear a solid base layer underneath. But instead of concrete and lumber, base layers are built from fabric—technical when you’re skiing, and cozy for après or yurt life. The market is flooded with options these days, from high-quality natural fibers and proprietary blends to fun patterns and various fits.
Our crew of badass mountain women put almost 70 base layer tops and bottoms through the wringer last winter on hut trips in British Columbia, resort skiing in the Swiss Alps, and backyard missions in the Tetons, Sierra Nevada, and Cascade Mountains. We braved blisteringly cold temps, relentless storms, slushy spring conditions, and even a little bit of rain, evaluating the best women’s base layers for warmth, comfort, breathability, style, and fit.
The post The Best Women’s Base Layers of 2027 appeared first on Outside Online.
