Men's Baselayers Heavyweight

Warm, breathable, and the ultimate in comfort, the Furnace 350 Hoody delivers a mid-to-late season option that can be worn during higher exertion in cold temps as an outer, or layered up to act as a versatile insulation option under a jacket when temps have really dipped. Perfect and versatile...

Merino wool has long been a hunter's best friend for its thermal properties when wet and natural anti-odor qualities. Perhaps the only drawback to Merino knits is that, like most other knit fabrics, they are prone to snagging, picking, and pilling.Through years of development, First Lite has built a robust...

Whether you pulled a late-season elk hunt or are down to the closing bell in the treestand, First Lite's Furnace Long John is the perfect tool to help you punch that tag in cold weather. Using our Merino-X 350g EXP weight fabric, the Furnace Long John provides lofted insulation and...

Whether you pulled a late-season elk hunt or are down to the closing bell in the treestand, First Lite's Furnace Quarter Zip is the perfect tool to help you punch that tag in cold weather. Using our Merino-X 350g EXP weight fabric, the Furnace Quarter Zip provides lofted insulation and...

Merino wool has long been a waterfowler's best friend for its thermal properties when wet and natural anti-odor qualities. Perhaps the only drawback to merino knits is that, like most other knit fabrics, they are prone to snagging, picking, and pilling. Through years of development, First Lite has built a...

Merino wool has long been a hunter's best friend for its thermal properties when wet and natural anti-odor qualities. Perhaps the only drawback to Merino knits is that, like most other knit fabrics, they are prone to snagging, picking, and pilling.Through years of development, First Lite has built a robust...

Merino wool has long been a waterfowler's best friend for its thermal properties when wet and natural anti-odor qualities. Perhaps the only drawback to merino knits is that, like most other knit fabrics, they are prone to snagging, picking, and pilling. Through years of development, First Lite has built a...

An incredibly versatile mid-layer for treestand hunts or backcountry expeditions, the Men's Klamath Quarter Zip grid fleece construction provides an exceptional warmth-to-weight ratio while reducing wind chill. Additionally, the fleece boasts an advanced, HeiQ Pure(tm), anti-bacterial treatment to manage human odor. The Klamath Quarter Zip features a high-coverage collar to...

When hunting out west, frost-covered mornings often turn into hot, sunny afternoons. In whitetail country, cold mornings can turn into cold sits without proper layering. Long johns are a no-brainer for both situations, but with temp swings or long distances to the stand, the hunter often finds himself overheating halfway...

Warm, breathable, and the ultimate in comfort, the Furnace 350 Hoody delivers a mid-to-late season option that can be worn during higher exertion in cold temps as an outer, or layered up to act as a versatile insulation option under a jacket when temps have really dipped. Perfect and versatile...

The Women’s Furnace Long Jane now features an updated fit that’s true to size and has more room in the hips and legs. Use our new women’s size chart if you’re unsure of where you fall in our new size scale. Whether you drew a late-season elk hunt or are...

The Women’s Furnace Quarter Zip now features an updated fit that’s true to size and has more room in the bust and arms. Use our new women’s size chart if you’re unsure of where you fall in our new size scale. Whether you drew a late-season elk hunt or are...