Designed for chilly conditions, ThermaWool Intraknit Merino Base Layer Leggings blend the natural insulation of merino wool with quick-drying polyester for lasting comfort. The 3D-knit articulation offers a tailored fit that moves with you, while mesh ventilation zones keep moisture at bay during high-intensity activity.
- Crafted from a lightweight blend of 52% merino wool, 45% polyester, 2% elastane, and 1% polyamide for durability and flexibility
- Engineered mixed-knit fabric reduces weight without sacrificing warmth
- Gender-specific mesh panels improve breathability and help maintain dryness
- Rib-knit knees provide extra reinforcement where you need it most
- Made with ZQ-certified merino wool, ensuring ethical sourcing and sustainable production
- Inseam length: 31 inches, ideal for layering under winter gear or wearing solo on mild days
Whether you want to buy thermal leggings for cold weather or are searching for cheap thermal underwear leggings for winter, these leggings deliver superior warmth and comfort without bulk. They’re also perfect as lightweight merino thermal bottoms for women who prioritize performance and sustainability.
Richard Sanchez (verified owner) –
I’ve tried several women’s wool base layer bottoms, and these ThermaWool leggings stand out for their fit and breathability. Perfect for cold-weather hikes!
Alejandro Austin (verified owner) –
Lightweight yet warm, these merino base layer leggings keep me comfortable during winter runs. I highly recommend them to anyone looking to buy thermal leggings for cold weather.
Seth Peterson (verified owner) –
Affordable and effective—these cheap thermal underwear leggings for winter exceeded my expectations. The mesh panels really help manage sweat during long outdoor sessions.