Dec 24, 2025 · The best base layers wick moisture while adding a layer of insulation to keep cold air out. After years of testing outdoor gear, I've personally tried out dozens and dozens of base …

Jun 10, 2025 · We took 42 base layers from Arc'teryx, Ridge Merino, Smartwool, Black Diamond, Icebreaker, Patagonia, and others to extremes during months of real-world testing to uncover …

Nov 21, 2024 · But with all the base layer options available (materials, cuts, styles and weights), finding the best one for you can feel trickier than staying warm on a wet day in the mountains. …

Jan 2, 2026 · These merino wool pants complete the perfect base layer system with the same exceptional quality as the top. The next-to-skin fit provides warmth without bulk, making them …

Looking for the best thermal underwear & base layers? Shop your favorite brands at Academy Sports + Outdoors to keep warm on the coldest days.

Sep 23, 2025 · We tested 50 lightweight, midweight, and heavyweight men’s and women’s base layer tops over four years. We put these base layers to work, and came out with the best base …

Jan 6, 2026 · Never suffer through winter again with these 10 scientifically-tested base layers that outperform expensive brands at half the price.

After testing a range of base layers in real cold weather conditions, I've compiled this definitive guide to help you find the perfect base layer for warmth, comfort, and versatility. These picks …

Apr 26, 2025 · Choosing the best base layer involves understanding materials, weight classifications, and your specific activity needs. This guide breaks down what to look for and …

Aug 19, 2025 · When you need to regulate your temperature and manage moisture in the blazing heat or blizzards, base layers are the first line of defense. We’ve rigorously researched 30 sets …