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Master Key 25


Product Description

Product Description

Impromptu road trip to climb in Moab?  No problem, toss in your Master Key bag and whether you're couch surfing, camping, or sleeping on the floor of your best friend's uncle's house in Salt Lake, you'll sleep like you never left home. 

  • Insulated with super cozy fill and with a roomy shape you can spread out and start snoozing wherever you land. 
  • Details like the corner hand pockets make this bag feel just like the comforter on your bed at home. 

Features & Specs


  • Traditionally insulated bags designed without the integrated pad sleeve found on Big Agnes System bags
  • Wide Regular sizing and a semi-rectangular design allows room for active sleepers or those seeking increased interior space
  • New cordlock design lets you un-cinch the hood with one hand
  • Convenient Velcro stash pocket at shoulder
  • Corner hand pocket allows you to wrap the top of the bag around your shoulders like a comforter on your bed
  • 70"/178cm YKK #8 zipper
  • Liner loops
  • Mesh storage sack & nylon stuff sack
  • No-draft collar and No-draft zipper
  • Exterior loops for hang drying or storage
  • Synthetic bags won't pack as small as down bags but they still compress to acceptable sizes for backpacking and thru-hiking and will generally cost less. 


  • Wide Regular
  • Color Chocolate/Taupe
  • Fill Type Synthetic
  • Fill Weight 29oz
  • Bag Weight 2lb 14oz
  • Shoulder Girth 65"
  • Hip Girth 60"
  • Foot Girth 45"
  • Stuff Sack Size L 9" x 20"
  • Compressed Bag Size L 23 x 51cm
  • Big Agnes name...The Master key is an old Silver Mine in Columbine. With Inaccessible shafts sunk in silicified shale and sandstone, making mining difficult at best. 
  • Synthetic sleeping bag insulation is ideal for general camping and backpacking due to its durability, value and ability to insulate even when wet.