Designed for backpacking but equally at home car camping, the Big Agnes Spike Lake 15 down mummy bag features a traditional sleeveless design, baffle construction for efficient heat distribution, and Downtek water resistant down insulation to keep you toasty warm during the shoulder seasons. If you’re in the market for a mummy shaped bag constructed with high quality, lightweight materials, these bags are your ticket to traveling fast and light.

Features

• Traditionally insulated bags designed without the integrated pad sleeve found on Big Agnes System bags
• Contoured hood follows the shape of your head for a more comfortable fit
• Oversized interior anti-draft collar
• Low profile cordlock lets you un-cinch the hood with one hand
• Two way anti-snag zipper for a smooth, quick zip
• Zipper Garage 
• Liner loops
• Mate together left and right zip bags
• Mesh storage sack & nylon stuff sack
• No-draft collar and No-draft zipper
• Shell fabric is breathable with water repellent finish
• Exterior loops for hang drying or storage

Construction + Materials

• Nylon rip-stop shell fabric with a water repellent finish
• Nylon taffeta lining
• Baffled construction
• 600 fill DownTek™ water repellent down 

Specs

• Capacity: 1P
• Temp Rating: 15° F
• Seasons: 3
• Bag Size: Regular or Long
• Fits Up To: Regular - 6' 0"; Long - 6' 6"
• Pad Size: Any
• Bag Weight: Regular - 2 lb 6 oz; Long - 2 lb 8 oz
• Insulation: 600 Fill DownTek 
• Compressed Size: Regular - 8" x 8"; Long - 8" x 9"
• Stuff Sack Size: 8" x 17.5"