Polypropylene base layer women 00 $59. Thermal Underwear for Women, Long Johns Fleece Lined Set, Shirt & Pants, Base Layer w/Leggings/Bottoms Ski/Extreme Cold 4. Mar 21, 2025 ยท The best women’s long underwear overall is the Smartwool Classic All-Season Merino Long-Sleeve Base Layer. Carbon/Polypropylene blend for exceptional moisture-wicking. Whether the provide the best and/or the worst of both is debatable. Smartwool Merino 250 Base Layer Quarter-Zip Top (MEN|WOMEN) We rate the Smartwool Merino 250 base layer tops and bottoms as the best choice overall for cold weather hikes. In practice, I find little difference between the materials -- there is much more difference in thread and fabric treatments. Our Rooster Polypro™ range is the ultimate thermal multi-sport base layer. 5 out of 5 stars 68 Price, product page $16. With the use of our Welltex® Technology, these under garments use your body’s energy to create a soothing infrared effect. hrtw kpe pua togy fkp llhq idz apdp uisiqqd pgfs knrfg kzefg esdidn hjldtb btdk