Western Mountaineering AstraLite Ultralight Down Backpacking Quilt

Ultralight Warmth. More Room to Move.

The Western Mountaineering AstraLite Quilt is an ultralight down top quilt designed for fast-moving backpackers, thru-hikers, and minimalist adventurers who want serious warmth without unnecessary weight.

Built with 850+ fill power goose down and a lightweight 12D ripstop nylon shell, it delivers excellent warmth-to-weight performance in a streamlined, packable design.

With a closed footbox, insulated draft yoke, and removable pad straps, the AstraLite helps lock in warmth while giving you the freedom and adaptability that quilt systems are known for.

Why You'll Love It

Ultralight design - From just 454g
850+ fill power down - Premium warmth-to-weight
-3°C temperature rating - Ideal for cool-weather adventures
Adjustable pad straps - Secure fit to your sleeping mat
Compact pack size - Minimal bulk for lightweight missions

Built for Fast & Light Adventures

Perfect for:

Thru-hiking
Fastpacking
Lightweight backpacking
Bikepacking
Minimalist camping
Cool-weather alpine use

Designed for hikers and backpackers who want warmth, low weight, and freedom of movement.

Performance Features

Ultralight Down Construction

Low-weight quilt design

Provides:

Excellent warmth-to-weight
High compressibility
Minimal pack weight

Premium 850+ Fill Power Goose Down

High-loft insulation

Benefits:

Efficient warmth
Excellent compressibility
Reliable performance in cold conditions

Cool-Weather Warmth (-3°C)

Designed for cooler nights

Best for:

Three-season backpacking
Cool-weather camping
Layered sleep systems
Fast and light mountain use

Adjustable Pad Strap System

Removable lightweight straps secure the quilt to your sleeping mat

Allows:

Better heat retention
Reduced drafts
Custom fit to your sleeping pad
Improved comfort through the night

Insulated Draft Yoke

Minimalist heat retention system

Helps:

Reduce heat loss around the shoulders
Improve overall warmth
Maintain efficiency without adding unnecessary bulk

Closed Footbox Design

Insulated lower section

Provides:

Warmth for feet
Improved thermal efficiency
Simple, lightweight construction

Premium Ultralight Fabrics

12D ripstop nylon shell

Benefits:

Ultra-light durability
Breathability
Soft, comfortable feel
Low pack weight

Technical Specifications

Temperature Rating: -3°C
Fill: 850+ Fill Power Goose Down
Loft: 11cm
Shell Fabric: 12D ripstop nylon
Colour: Grey / Black
Shape: Baffled top quilt

Weights:
180cm: 454g
200cm: 496g

Fill Weights:
180cm: 298g
200cm: 319g

Girth:
Shoulder / Hip: 172 / 96cm

Packed Size:
All sizes: 15 x 25cm

Origin: USA

Includes:
Ultralight stuff sack
Breathable mesh storage bag

Perfect For

Thru-hikers
Fastpackers
Ultralight backpackers
Bikepackers
Cool-weather campers
Minimalist adventurers
Three-season backpacking