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800 Fill Power DriDown Insulation – Premium PFC-free down delivers exceptional warmth-to-weight performance while remaining highly compressible for lightweight adventures.
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Ultralight 15D Nylon Fabric – Durable yet lightweight fabric helps reduce pack weight without compromising comfort or performance.
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Self-Sealing Foot Vent – Quickly regulate temperature by venting heat through the footbox without fully opening the sleeping bag.
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Draft-Dodging Collar – Helps block cold air from entering and improves heat retention in cooler conditions.
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Advanced Baffle Construction – 5-inch baffle spacing and sidewall baffles help keep down evenly distributed, reducing cold spots and maintaining consistent warmth.
The Sierra Designs Nitro 20 800 sleeping bag is a lightweight choice for backpacking, combining a classic mummy shape with features made for comfortable nights outdoors. Its 800 fill power PFC-free DriDown insulation helps provide warmth, while the nylon ripstop fabric keeps the design lightweight and durable.
A self-sealing foot vent lets you adjust airflow without leaving the bag, making it easier to stay comfortable in changing temperatures. The draft collar helps reduce heat loss, while sidewall baffles help keep the down in place to reduce cold spots. An anti-snag zip makes getting in and out of the sleeping bag smoother.
Specification
- EN Limit Temp Rating: 17F / -9C
- EN Comfort Temp Rating: 28F / -2C
- Fill Weight: 14.7 oz / 418 g
- Minimum Weight: 1 lb 15 oz / .88 kg
- Fits Up To: 6' 0" / 183 cm • Length: 78" / 198 cm
- Shoulder Circumference: 62" / 157 cm
- Hip Circumference: 56" / 142 cm
- Footbox Circumference: 40" / 102 cm
- Mesh Storage Bag Size (L x W): 20" x 12" / 51 x 31 cm
- Stuff Sack Size (L x W): 15" x 7.5" / 38 x 19 cm
