|Weight||2 lb 11 oz / 1200 g||2 lb 15 oz / 1300 g|
|Fill Weight||1 lb 8 oz / 680 g||1 lb 11 oz / 770 g|
|Temperature Rating||30° F / - 1° C||30° F / - 1° C|
|EN Comfort||43° F / 6° C||43° F / 6° C|
|EN Lower Limit||34° F / 1° C||34° F / 1° C|
|EN Extreme||- 7° F / - 14° C||- 7° F / - 14° C|
|Fill||HeatSync Synthetic||HeatSync Synthetic|
|Max User Height||6 ft / 180 cm||6 ft 6 in / 200 cm|
|Shoulder Girth||57 - 65 in / 140 - 170 cm||59 - 67 in / 150 - 170 cm|
|Hip Girth||53 - 61 in / 130 - 150 cm||55 - 63 in / 140 - 160 cm|
|Foot Girth||35 - 43 in / 89 - 110 cm||37 - 45 in / 94 - 110 cm|
Have a question about synthetic? Get answers in the gear selection forum.
Where to Buy
Here's what other sites are saying:
People have likened climbing into the Sierra Designs Utopia Sleeping Bag to being in the womb. While the feeling of warmth and serenity might be comparable, this three-season synthetic bag is much more breathable and conducive to movement than most of the wombs we know of. It weighs a reasonable three pounds, packs compactly, and boasts enough insulating power to keep you comfy during cool fall nights or high-altitude summer backpacking trips.
On Sale. Free Shipping. Sierra Designs Utopia 30 Degree Sleeping Bag DECENT FEATURES of the Sierra Designs Men's Utopia 30 Degree Sleeping Bag Snag-free zipper tracks Draw cord at collar Flex stretch external construction Ergonomic hood and footbox Pillow pocket Easy access, ventable, 60in. zipper Zipper draft tube Includes stuff and storage sack The SPECS Temperature Rating: 30deg F / -1deg C Zipper Side: Left Stuff Size: 7in. x 15in. Material: Fill: HeatSync Shell: 30D Polyester Micro-Ripstop Liner: 30D Polyester The SPECS for Regular Trail Weight: 2 lbs 8 oz Shoulder Girth: 57 - 65in. Hip Girth: 53 - 61in. Footbox Girth: 35 - 43in. Fits Up To: 6' Fill Weight: 24 oz The SPECS for Long Trail Weight: 2 lbs 12 oz Shoulder Girth: 59 - 67in. Hip Girth: 55 - 63in. Footbox Girth: 37 - 45in. Fits Up To: 6'6in. Fill Weight: 27 oz
The Sierra Designs Utopia 30 Sleeping Bag uses the flex technology which allows the sleeping bag to stretch to up to 67" in the shoulder and 63" at the hips. If you don't like the tight feel of a mummy bag but still need the performance, look no further than the Utopia. Check out the Sierra Designs Arrow Rock for a down fill version of the Utopia.
3-Season 1 5 deg F / - 9 deg A great year-round bag or a three-season choice for cold sleepers, this bag combines HeatSync continuous-filament insulation with Flex(TM) technology to deliver tough to beat quality in a light, durable design
- Rocky Mountain Trail