Sierra Designs Synthesis 20/35/50 Degree Sleeping Bags – Synthetic, Mummy Style Camping & Backpacking Sleeping Bags for Men & Women

Built with SierraLoft synthetic insulation and a lightweight material typically reserved for a higher price point, the Synthesis packs light but hits heavy with its feature set. A dual zipper system makes getting in and out a breeze and gives you room to move about, while the self sealing foot vent lets you vent heat with ease.
Nylon
Synthetic insulation provides lofty warmth, even when wet
Dual zipper system for ease of use
Patented self-sealing foot vents for fast and easy ventilation
Draft dodger collar helps prevent drafts
20D nylon fabric for lightweight versatility
Insulation: SierraLoft Synthetic
Shell Fabric: 20d Nylon Ripstop
Liner Fabric: 20d Nylon Taffeta
ISO Limit Temp Rating: 9° F / -13° C
ISO Comfort Temp Rating: 20° F / -7° C
Fill Weight: 36 oz / 1.021 kg
Weight: 3 lb 12 oz / 1.71 kg
Fits Up To: 5′ 8″ / 173 cm
Length: 73″ / 185.42 cm
Shoulder Circumference: 59″ / 149.86 cm
Hip Circumference: 58″ / 147.32 cm
Footbox Circumference: 40″ / 101.6 cm
Stuff Sack Size (L x W): 16 x 8.5″ / 40.64 x 21.59 cm
SKU: 70613720R