Katabatic Gear Alsek 22F

Price range: 649,00 € through 669,00 €

Weight: 630 g

Katabatic Gear has built a world-class reputation for producing some of the finest backpacking quilts available, and the Alsek 22F stands as a perfect example of that legacy. Every feature in this quilt has been refined through years of real-world use and hundreds of thousands of trail miles, resulting in a piece of gear that combines warmth, craftsmanship, and thoughtful engineering in perfect balance.

The Alsek 22F is designed with Katabatic’s characteristic long footbox and broad wings that wrap securely around the body, sealing in warmth and comfort even on cold, windy nights. Its differential cut construction allows the high-loft down insulation to fully expand, maintaining its thermal efficiency without compression or cold spots. An elastic binding around the bottom opening prevents drafts from entering between the sleeping pad and quilt, while the patented pad attachment system keeps the quilt securely in place throughout the night, adapting to your movements without sacrificing warmth.

Filled with 900 fill power goose down that is both responsibly sourced and treated with ExpeDRY™ for improved moisture resistance, the Alsek 22F stays lofty and warm even in damp or misty late-autumn conditions. The continuous baffle design allows the down to be shifted by hand, letting you fine-tune the insulation depending on the temperature—concentrating it at the center on colder nights or moving it to the sides for better ventilation when it’s warm.

Every detail of the Alsek 22F reflects Katabatic’s commitment to quality and performance. From the silky, ultralight Pertex Quantum fabrics to the carefully engineered shape that promotes natural sleeping posture, this quilt is built for serious adventurers who value reliability, warmth, and comfort in the backcountry. The Alsek 22F is more than just a sleeping system—it’s a long-term investment in better sleep, lighter packs, and countless nights of comfort under the open sky.

Katabatic Gear Alsek 22F

The Alsek is a lightweight, warm, and premium-quality backpacking quilt designed to deliver restful sleep even during chilly autumn nights. Its innovative design blends comfort, adjustability, and thermal efficiency, making it an ideal choice for hikers, backpackers, and minimalist campers.

Engineered for Warmth and Comfort

At the heart of the Alsek quilt is its differential cut construction: the outer shell is slightly larger than the inner lining. This clever design prevents the down insulation from compressing when the quilt is tightened in cold conditions, preserving loft and warmth. Many manufacturers overlook this detail, but it’s one of the key reasons why the Alsek performs exceptionally well in low temperatures.

The quilt features continuous baffles running from edge to edge, allowing you to shift the down manually depending on the conditions. On warm nights, move the down to the sides or foot area to vent excess heat. In cold weather, redistribute it toward the center for maximum insulation.

A thick, down-filled draft collar seals in warmth around your neck without the discomfort of tight drawcords—crucial for maintaining comfort in windy or freezing conditions. The trapezoidal footbox provides a natural sleeping position and extra space for your toes, especially for back sleepers. This section also includes overfilled down chambers to ensure your feet stay warm all night long.

Cord Clip Attachment System

The patented Cord Clip system makes securing the quilt to your sleeping pad quick and intuitive. Two 2 mm cords loop around your pad, and the quilt attaches to them with low-profile Cord Clips. You can choose between two modes:

  • Free Mode: The quilt can move naturally—ideal for warm nights and active sleepers.

  • Locked Mode: The quilt is fixed tightly to the cords and pad, minimizing drafts while allowing you to fine-tune the fit and volume.

The clips are durable, discreet, and remain flat under your body for maximum comfort. Once the cords are in place, simply snap the quilt on, adjust, and enjoy a secure, draft-free sleep wherever you camp.

Key Features

  • Patented Cord Clip System – One of the most reliable attachment methods for a tight, draft-free fit.

  • Elastic Binding Around Bottom Opening – Prevents cold air from entering between the pad and quilt.

  • Differential Cut Construction – Outer fabric is cut larger than the inner to preserve loft and maintain even warmth.

  • Continuous Baffles – Move down as needed for optimal temperature control.

  • Overstuffed Draft Collar – Locks in warmth at the neck without uncomfortable cinching.

  • Trapezoidal Footbox – Provides natural comfort and superior thermal efficiency for your feet.

  • Internal Pocket – Keeps essentials like your phone warm or protects a water filter from freezing.

  • Overfilled Footbox Chambers – Extra insulation to ensure warm toes in all conditions.

Materials and Fill

  • 900 Fill Power Goose Down – Ultra-premium, responsibly sourced (RDS certified) down with ExpeDRY™ treatment for improved water resistance.

  • Pertex Quantum Eco Ripstop Outer Fabric (0.85 oz/yd²) – Lightweight, breathable, and downproof, made from recycled materials.

  • Pertex Quantum Taffeta Lining (1.0 oz/yd²) – Exceptionally soft and comfortable against the skin, with no clammy or plastic feel.

Size Fits up to height Fill weight (g, 850fp / 900fp) Total weight (g, 850fp / 900fp) Shoulder width Hip width Footbox circumference Packed size
Small 168 cm 403 / 374 621 / 593 137 cm 117 cm 102 cm 16.5 × 29 cm (6.5 L)
Regular 183 cm 431 / 400 661 / 630 137 cm 117 cm 102 cm 16.5 × 29 cm (6.5 L)
Long 198 cm 462 / 431 703 / 669 137 cm 117 cm 102 cm 16.5 × 29 cm (6.5 L)
Small Wide 168 cm 442 / 411 672 / 641 147 cm 127 cm 112 cm 18 × 30.5 cm (8 L)
Regular Wide 183 cm 471 / 440 720 / 686 147 cm 127 cm 112 cm 18 × 30.5 cm (8 L)
Long Wide 198 cm 504 / 471 765 / 728 147 cm 127 cm 112 cm 18 × 30.5 cm (8 L)

Included Accessories

  • Silnylon stuff sack

  • Eco-friendly storage bag (Hemp & Tencel)

  • Two 2 mm attachment cords for sleeping pad

  • Removable straps

Weight 630 g
Size

Regular / Regular, 900 FP ExpeDRY, Regular / Wide, 900 FP ExpeDRY

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