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Women's Intraknit Thermal Merino Base Layer Bottom
![](https://thermowave.com/cdn/shop/products/14AERO412-990-womens-shirt-black-color-fc52751c-f854-451a-a86c-46f2297f8914-0.jpg?v=1695353387&width=533)
Womens' winter sports – Thermowave
Stay protected from the cold during the fall and winter months with this WindRiver men’s merino wool-blend combination underwear. Great for sleeping
WindRiver Men's All-in-One 2-Layer Merino Wool Combination Underwear
WindRiver's T-MAX HEAT™ Thermal socks are our warmest socks, keeping you comfortable in winter temperatures. The technology provides superior heat
WindRiver Women's 3 Pack T-Max Thermal Crew Socks
![](https://smartwool.ca/media/catalog/product/cache/7b241bfd6c26fd1ffc0d56d7717f5c2b/s/w/sw016828m39-2-p_2.jpg)
Women's Intraknit Thermal Merino Base Layer Bottom
![](https://media-www.marks.com/product/ladies-accessories/winter-underwear/thermal/410029031051/windriver-t-max-grid-fleece-t-black-s--583fb3b0-5fd6-440e-8f07-c611e45fd560-jpgrendition.jpg?im=whresize&wid=142&hei=170)
Women's Base layers, Thermal Pants & Tops
![](https://smartwool.ca/media/catalog/product/cache/7b241bfd6c26fd1ffc0d56d7717f5c2b/s/w/sw016421k35-3-p_1.jpg)
Women's Intraknit Thermal Max Merino Base Layer Pattern Hoodie
These WindRiver wool-blend pants are warm and comfortable - ideal for your low-temp outdoor adventures. The T-MAX HEAT® technology provides superior
WindRiver Women's Lifa Merino Wool Blend T-Max Heat Thermal Pants with Drawstring
These practical fleece pants from WindRiver feature T-MAX HEAT® technology that provides superior heat retention and temperature regulation to keep
![](https://media-www.marks.com/product/marks-work-wearhouse/industrial-world/mens-underwear-and-loungewear/410029781437/windriver-men-s-t-max-heat-thermal-base-layer-long-underwear-fleece-pants-black-f0c077bf-8bc3-4204-b3e0-a3e117c85230.png?imdensity=1&imwidth=1244&impolicy=mZoom)
WindRiver Men's T-MAX HEAT Thermal Base Layer Long Underwear Fleece Pants - Black
![](https://media-www.marks.com/product/marks-work-wearhouse/ladies-world/ladies-accessories/410032943679/windriver-women-s-twist-knit-thermal-t-max-heat-crew-socks-5a8e0ab5-c1d3-4dfd-a691-2df17c5f9069-jpgrendition.jpg?im=whresize&wid=142&hei=142)
WindRiver Women's 3 Pack T-Max Thermal Crew Socks
![](https://media-www.marks.com/product/marks-work-wearhouse/industrial-world/mens-underwear-and-loungewear/410036565105/windriver-men-s-t-max-mock-neck-baselayer-top-95e80c85-6259-4e8a-bc4e-213bfa84fbc5-jpgrendition.jpg?im=whresize&wid=142&hei=170)
Men's Thermal Base Layer Tops, Pants & Suits