In Stock - Order Now For Fast Shipping. Sierra Designs Nitro 35°F Sleeping Bag is designed with durable nylon ripstop, a self-sealing foot vent for easily ventilation, and insulated with 800-fill, hydrophobic DriDown to keep you toasty warm, even on damp nights.

Simple construction and a classic mummy bag shape are the hallmarks of one of Sierra Designs' best-selling sleeping bags for backpackers who put a premium on low weight, incredible comfort, and straightforward tech.

The Sierra Designs Nitro 35°F Sleeping Bag is designed with a draft collar to seal in the heat when moving around, and sidewall baffles prevent the down from shifting and causing cold spots. A self-sealing foot vent provides relief to hot sleepers without the need to kick off the covers. Top it off with an anti-snag zipper to eliminate sleepy struggles and take greater comfort with this intuitive mummy bag.

2022 CLOSEOUT

Specs

• Sleeping bag to keep you toasty warm, even in wet or inclement conditions
• Insulated with 800-fill, hydrophobic DriDown
• Patented self-sealing foot vent for fast and easy ventilation without leaving bag
• Draft-dodger collar helps prevent drafts
• 5" baffle spacing and side wall baffles helps to keep down from shifting, keeping you warmer
• Anti-snag zipper tracks for easy in and out
• Includes stuff sack and mesh storage bag