Men's Furnace Quarter Zip by FirstLite

Men's Furnace Quarter Zip by FirstLite – Heavyweight Merino Wool Base Layer for Cold-Weather Hunts & Backcountry Warmth

Built for brutal cold and high exertion in the backcountry, the Men’s Furnace Quarter Zip by FirstLite is FirstLite’s warmest merino wool base layer. Designed to retain heat during low-output activities in freezing temps while offering the natural breathability of merino, this heavyweight layer is essential for late-season hunts, glassing sessions, and static sits in the cold.

Key Features & Benefits:

• • 350gsm Merino-X Fabric

Heavier and more durable than standard merino wool—provides unmatched warmth and longevity without compromising softness.

• • Natural Odor Resistance

Merino wool naturally resists odor, allowing extended wear in the field without the stink of synthetics.

• • Moisture-Wicking & Breathable

Pulls moisture away from your skin during high-output hikes or climbs, keeping you dry and warm in variable conditions.

• • Quarter-Length Zipper for Venting

Easily regulate your body temperature on the move with a deep front zip—ideal for layering and heat management.

• • Flatlock Seams for Comfort

Reduces chafing under packs or outerwear, enhancing all-day wearability during long sits or backcountry pushes.

• • Quiet & Non-Reflective

Perfect for close-range encounters where stealth is critical—no synthetic rustle or shine.

• • Layer-Ready Fit

Streamlined, athletic cut optimized to wear under insulation and outerwear without bunching or restricting movement.

Specifications:

• • Material: Merino-X -- 95% Merino / 5% Spandex

  • Weight: 17 oz.

  • Fit: True-To-Size

  • Zipper: Quarter-Length Front Zip with Chin Guard

  • Cuff Style: Ergonomic Cuff with Thumb Loops

  • Camos: Comes in Cerca, Fusion, Specter, and Typha (Varies by Availability)

  • Sizes: Comes in S, M, L, XL, 2XL (Varies by Availability)

  • Ideal Use Cases: Late-Season Big Game Hunting, Tree Stand Sits in Cold Weather, High-Alpine Scouting, or Base Layer for Extreme Cold

  • Temperature Range: Best Suited for Below 20°F

Warranty & Support:

First Lite takes great pride in their products, and stand behind every piece they make. They will replace any piece that's been compromised by a manufacturer's defect for the Practical Product Lifespan. To see if you qualify visit their website for more details.

Why Choose the Men’s Furnace Quarter Zip by FirstLite?

When your hunt takes you deep into cold, unforgiving territory, the Furnace Quarter Zip provides heavyweight warmth without bulk, odor, or restriction. It’s the ultimate high-performance base layer for serious hunters and backcountry adventurers who rely on comfort, function, and silence in the field.