Big Agnes McAlpin SL

Retailers' Descriptions

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Get comfy, because it's going to be a long night when you hop into the Big Agnes McAlpin SL 5 Degree Down Sleeping Bag, where in all but subzero temps you can sleep tight as long as you like. Filled with light and lofty DownTek that resists water even in a monsoon, this traditional mummy will keep you toasty through the night. No cat nap here; get ready for full slumber.


The new McAlpin SL bag from Big Agnes is full of features for those who prefer a traditional mummy bag. The McAlpin SL sports the new DownTek 700 fill down, which is treated using a nano-technology that makes the down water resistant as well as anti-microbial and anti-bacterial. The zippers allow you to mate right and left bags. Mesh storage sack and nylon stuff sack included.


Free Shipping. Big Agnes McAlpin SL 0 Degree Sleeping Bag FEATURES of the Big Agnes McAlpin SL 0 Degree Sleeping Bag Traditionally insulated bags designed without the integrated pad sleeve found on Big Agnes System bags Designed to decrease weight and size, while increasing thermal value using the traditional mummy shape Contoured hood features a draw cord and cord lock for easy adjustment 70in. / 178 cm YKK #8 zipper Liner loops Mate together left and right zip bags Mesh storage sack and nylon stuff sack No-draft collar and No-draft zipper Shell is nylon rip-stop, breathable and down proof with water repellent finish Exterior loops for hang drying or storage SPECIFICATIONS of the Big Agnes McAlpin SL 0 Degree Sleeping Bag Temperature Rating: 5deg F / -15deg C Stuff Sack Dimension: (L): 9 x 20in. / 23 x 51 cm Durable nylon fabric shell Nylon taffeta lining Insotect Flow Construction 700 fill DownTek water repellent down SPECIFICATIONS for Regular Bag Weight: 2 lbs 15 oz / 1332 g Fill Weight: 28 oz / 800 g Compressed Dimension: 9 x 9.5in. / 23 x 24 cm Fit up to: 6' / 183 cm SPECIFICATIONS for Long Bag Weight: 3 lbs 2 oz / 1417 g Fill Weight: 30 oz / 865 g Compressed Dimension: 9 x 10in. / 23 x 25 cm Fit up to: 6'6in. / 198 cm

- Moosejaw

Men's Traditional Mummy bags are built for performance. In our first diversion from the Big Agnes System since we started 12 years ago, we are proud to introduce the most technical old-school sleeping bags ever! These bags are insulated with DownTekTM water repellent down and constructed with Insotect FlowTM patented technology. Their mummy shape and lightweight materials will get you wherever you want to go, fast and dry.From Big Agnes..."We are proud to introduce a Traditional Mummy down sleeping bag line featuring DownTek(TM) water repellent down. DownTek(TM) transforms down into a water repellant, anti-microbial and anti-bacterial insulation material. Even in the wettest of conditions, DownTek(TM) repels water while maintaining loft, insulation value and breathability."Features:Traditional mummy shaped bags without the pad sleeve 70"/178cm YKK #8 zipper Interior fabric loops for sleeping bag liners Mate together left and right zip bags Mesh storage sack & nylon stuff sack No-draft collar seals around neck to keep cold air from sneaking in No-draft wedge insulates the connection between the bag and pad No-draft zipper tube insulates along the length of the zipper Flow(TM) Construction: Insotect Flow(TM) is a flow-optimized insulation system that delivers uniform heat distribution and natural body contouring through its revolutionary baffle design. Flow Construction eliminates lateral and vertical down shifting by using vertical chambers with Flow Gates to regulate fill positioning and density. Strategically placed Flow Gates minimize vertical down shifting while vertical chambers minimize lateral shifting. With continuous vertical Flow chambers in place of traditional side seams, Flow bags eliminate potential cold spots which can occur with side seams. Vertical baffles now flow with your body for more rapid and uniform body heat distribution. LEFT OR RIGHT ZIPPER? When you are in the bag, on your back, the right zip will be on your right side, left zip on your left side

- Mountains Plus

With Big Agnes' McAlpin SL +5 Down Sleeping Bag, you don't have to fear taking down into cold, moist winter conditions. The 700-fill DownTek feathers repel water, keep their loft when exposed to moisture, and hold antimicrobial as well as antibacterial properties. Its vertical baffles use Insotect Flow construction to keep down from migrating during the night and a no-draft collar, wedge and zipper all protect you against heat loss.

- Mountain Gear