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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The Lightest Way to Sleep Warm
The Western Mountaineering HighLite is an ultralight sleeping bag built for climbers and adventurers who demand maximum weight savings without sacrificing essential warmth.
At just ~455g total weight, it's one of the lightest high-performance sleeping bags available-using 850+ fill power goose down and a highly efficient design to deliver warmth down to 2°C.
With its minimalist construction, half-length zip, and optimised mummy shape, the HighLite is perfect for fast and light missions where every gram counts.
Ultra-lightweight - From ~425g
Highly compressible - Packs extremely small
850+ fill power down - Premium insulation
Minimalist design - Only essential features
Fast heating - Efficient mummy cut
Perfect for:
Fastpacking
Thru-hiking
Bikepacking
Summer alpine use
Minimalist camping
Designed for when weight and pack size are critical
Minimalist construction
Provides:
Maximum weight savings
Reduced bulk
High packability
Lightweight insulation
Ideal for:
Warm conditions
Summer nights
Layered systems
Sewn-through + vertical baffling
Improves:
Loft efficiency
Down distribution
Packability
Weight-saving feature
Allows:
Basic ventilation
Reduced overall weight
Simple, efficient use
Ultra-light, high-thread-count fabric
Benefits:
Durability for its weight
Breathability
Compact packing
Performance-focused shape
Provides:
Faster heat retention
Lower internal volume
Minimal excess weight
Temperature Rating: 2°C
Fill: 850+ Fill Power Goose Down
Loft: 9 cm (3.5")
Shell Fabric: 12D ripstop nylon (ExtremeLite™)
Weights:
165cm: 425g
180cm: 455g
200cm: 480g
Fill Weights:
165cm: 200g
180cm: 225g
200cm: 255g
Girth (Shoulder/Hip/Foot):
165cm: 150 / 130 / 97 cm
180cm: 150 / 130 / 97 cm
200cm: 152 / 132 / 97 cm
Packed Size:
165cm: 15 x 25 cm
180cm: 15 x 30 cm
200cm: 15 x 30 cm
Origin: USA
Includes:
Ultralight stuff sack
Breathable mesh storage bag
Ultralight backpackers
Fastpackers
Bikepackers
Summer climbers
Minimalist adventurers

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.
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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