Brooks Down Sweater by Firstlite

High-Performance Warmth Without the Weight – Stay Mobile, Silent, and Warm When the Temperature Drops

The Firstlite MOBRK / Brooks Down Sweater is the ultralight insulated jacket every backcountry hunter needs when ounces matter and warmth is non-negotiable. Designed for high-alpine pursuits, glassing sessions, and cold morning setups, this premium mid-layer offers exceptional warmth-to-weight performance with stealth and packability at its core.

Featuring 800-fill, responsibly sourced down insulation, the Brooks Down Sweater delivers unmatched compressibility and heat retention, all wrapped in a quiet, DWR-treated fabric that won’t blow your stalk. Whether layered under a shell or worn alone during dry, frigid conditions, this jacket is made to keep you comfortable without slowing you down.

Key Features & Benefits

• 800-Fill Power Down Insulation: Premium, responsibly sourced goose down provides superior warmth with minimal weight and bulk.

• Ultralight & Packable: Compresses into its own pocket for easy stow-and-go—ideal for minimalist gear setups and fast-moving hunts.

• Quiet, Durable Face Fabric: Soft and silent outer material allows for close-range movement without giving away your position.

• DWR Finish (Durable Water Repellent): Sheds light rain and snow to maintain dryness and warmth in variable weather conditions.

• Athletic Fit for Layering: Cut to fit comfortably under a shell or over a base layer without excess bulk.

• Zippered Hand and Chest Pockets: Secure, easy-access storage for essentials like gloves, tags, or a rangefinder.

• Adjustable Hem: Cinch cord seals out drafts and locks in heat during high-wind or low-temp conditions.

Specifications

• Product Name: Firstlite MOBRK / Brooks Down Sweater

• Material: Lightweight ripstop polyester with DWR treatment

• Insulation: 800-fill power down (RDS Certified – Responsible Down Standard)

• Weight: Approx. 10.9 oz

• Fit: Athletic

• Sizes Available: S–XXL

• Color/Pattern Options: Firstlite Specter, Fusion, Conifer, Dry Earth

• Use Case: Backcountry hunts, late-season layering, cold glassing sessions, ultralight packouts

• Packability: Stuffs into internal chest pocket

• Care Instructions: Machine wash cold, tumble dry low with clean tennis ball to maintain loft

• Warranty: Backed by Firstlite’s limited lifetime warranty

Why Choose the Brooks Down Sweater?

• Maximum Warmth, Minimum Weight: Ideal for ounce-counting hunters who refuse to compromise on insulation.

• Built for the Backcountry: With its compact profile and high performance, this jacket thrives in alpine terrain, long hikes, and remote conditions.

• Silent and Functional: Whisper-quiet fabric and thoughtful design make this a critical tool for serious hunters who move in silence.

• Adaptable Warmth Layer: Works seamlessly with other Firstlite layering systems for dynamic temperature management.

Go Farther, Stay Warmer, Move Smarter

When every ounce counts and the mountain won’t wait, the Firstlite MOBRK / Brooks Down Sweater brings the insulation you need in a package that disappears in your pack until it's time to deploy. Designed for performance, trusted in the backcountry, and built for the demands of serious hunting.