FlyLite 36F by Western Mountaineering

Ships in 1-2 business days | Based in San Jose, CA | Est. 1970

The lightest weight down sleeping bag that is fully baffled. Summertime perfection!

Western Mountaineering designed their FlyLite down sleeping bag as a product to celebrate their 50 year commitment to manufacture the lightest, most compressible sleeping bags in the world. They feel that this sleeping bag is a product to show the global lightweight gear community (triple crown thru hikers, trail runners, bike packers, and friends with cool names like “Psycho Haiko”) that they have been listening and taking feedback into consideration. This effort has resulted in the world’s lightest weight down sleeping bag that is fully baffled (i.e. no quilted/sewn through construction). 

The tiny micro baffles create just enough separation between the lining material and the outer shell fabric to eliminate cold spots. 10 denier fabric lining and 10 denier nylon taffeta shell fabric with C-zero DWR with the finest polish 850+ goose down and a super light #3 YKK half zipper all contribute to the impressive specifications and performance. This bag weighs just over 14 ounces ounces/400 grams in the regular length and packs down to the size of a Nalgene bottle. Lower limit rating of 36 F/ 2C. 

Features:

• Amazingly light and compressible
• Fully baffled construction
• Insulated top collar
• Insulated draft tube
• No sewn-through seams = no cold spots
• 10 denier nylon shell fabric and lining
• Lightweight half length #3 coil zipper
• Made in USA

Includes:

• Stuff sack
• Storage sack

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Specs:

• Temperature rating: 20″F
• Loft: 3.75″ (total, both sides)
• Packed size: 5″ x 10″ 

5’6″:

• Fits individuals:  ” 5′6″
• Inside girth (Shoulder | Hip | Foot): 59″ | 51″ | 39“

Weight: 13.5oz (total), 7.15oz (fill weight)

6′:

• Fits individuals: up to 6′
• Inside girth (Shoulder | Hip | Foot): 59″ | 51″ | 39“

Weight: 14.25oz (total), 7.65oz (fill weight)

6’6″:

• Fits individuals: up to 6’6″
• Inside girth (Shoulder | Hip | Foot): 60″ | 52″ | 39″

Weight: 14.75oz (total), 8.15oz (fill weight)

Materials:

• Fabric: 10D Nylon
• Insulation: 850+ Fill Power Goose Down*
• Hardware: #3 YKK Zipper

Made in the USA

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*Western Mountaineering has been using ethical down for decades. They personally audit their main supplier regularly and some of the inspections are made without advance scheduling. This farm is highly ethical; the geese are raised to old age for their eggs, get to roam the grounds during the day and nest in a specialized insulated barn. During nesting, the mature mother geese molt their down in order to insulate their nest. This down is then collected while the geese are out feeding during the day.

Because Western Mountaineering’s down comes from large mature mother geese it is unparalleled in fill power AND the most ethical it could be!