Simple order process and quickly actioned. Fast delivery and well packaged, too. Great shopping experience.
Excellent selection, customer service and shipping. Big thanks to Nate for reaching out and getting delivered in time
Western Mountaineering
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Serious Warmth. Lightweight Efficiency.
The Western Mountaineering Lynx MF is a high-performance cold-weather sleeping bag designed for climbers and adventurers who need serious insulation without excessive weight.
With an impressive 8.5" (22cm) of loft and filled with 850+ fill power goose down, the Lynx delivers reliable warmth down to -23°C, making it ideal for winter mountaineering, ski touring, and cold alpine nights.
Combining advanced construction like V-Block side baffles, a full draft collar, and insulated draft tubes, it ensures consistent warmth and excellent down control-making it one of the warmest bags in its weight class.
Extreme warmth - Rated to -23°C
Lightweight for its class - Around 1.4kg
850+ fill power down - Premium insulation
High loft design - 8.5" of warmth
Expedition-ready - Built for cold environments
Perfect for:
Winter mountaineering
Ski touring
Alpine climbing
Cold-weather camping
High-altitude use
Designed for serious cold without unnecessary bulk
Reliable sub-zero insulation
Keeps you:
Warm in harsh conditions
Protected on winter trips
Comfortable overnight
Premium insulation
Provides:
Exceptional warmth-to-weight
High loft retention
Long-lasting performance
Advanced down distribution
Improves:
Heat retention
Even insulation
Cold spot elimination
Heat retention system
Helps:
Block cold air
Seal in warmth
Improve thermal efficiency
20D breathable, water-resistant fabric
Benefits:
Weather resistance
Breathability
Durability in harsh conditions
Performance-focused design
Allows:
Heat retention
Lightweight efficiency
Comfort with minimal bulk
Temperature Rating: -23°C
Fill: 850+ Fill Power Goose Down
Loft: 22 cm (8.5")
Shell Fabric: 20D MicroLite XP™
Weights:
165cm: 1360g
180cm: 1415g
200cm: 1500g
Fill Weights:
165cm: 850g
180cm: 905g
200cm: 965g
Girth (Shoulder/Hip/Foot):
165cm: 155 / 137 / 99 cm
180cm: 157 / 137 / 99 cm
200cm: 160 / 140 / 99 cm
Packed Size:
All sizes: 23 x 46 cm
Origin: USA
Includes:
Ultralight stuff sack
Breathable mesh storage bag
Winter climbers
Ski tourers
Alpine adventurers
Cold-weather campers
High-altitude expeditions

Every delivery’s carbon footprint is calculated based on weight, shipping method, and distance traveled. We neutralize these emissions by purchasing verified carbon removal credits from groundbreaking projects. When you add a contribution to your order, 100% of that money is used to pay for additional carbon removal.
With your purchase, you’ll join a community of proactive merchants and customers dedicated to a sustainable future. Together, we've removed emissions for over 85 million deliveries and removed over 59 thousand tonnes of carbon.
We work with a network of pioneering carbon removal companies that have been vetted by the commerce platform Shopify.
Simple order process and quickly actioned. Fast delivery and well packaged, too. Great shopping experience.
Excellent selection, customer service and shipping. Big thanks to Nate for reaching out and getting delivered in time
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