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Big Agnes

Women's Mirror Lake Downtek


Product Description

Specifically made for women, you'll sleep well in a lightweight bag that'll keep you warm down to a chilly 22 degrees.

600 DownTek™

Our traditional down mummy bags deliver high value and performance in a lightweight bag.

Ideal for backpacking but versatile enough for couch surfing, they are insulated with Downtek™ and use baffle construction for efficient heat distribution.

If you’re in the market for a mummy shaped bag constructed with high quality, lightweight materials, these bags are your ticket to travelling fast and light..
  • Nylon rip-stop shell fabric
  • Nylon taffeta lining
  • Baffle Construction 


  • 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
  • 55”/140cm YKK #8 zipper - petite bags
  • 65”/165cm YKK #8 zipper - regular
  • 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
  • • Nylon rip-stop shell fabric
    • Nylon taffeta lining
    • Baffle Construction
    • 600 fill DownTek™ water repellent down


  • petite/up to 5'5',  regular/up to 5'10"
  • Color Grape/Navy 
  • Fill Type 600 DownTek™
  • Fill Weight 22oz, REG: 23oz
  • Bag Weight 2lb 9oz, REG: 2lb 11oz
  • Shoulder Girth 54" , REG: 56"
  • Hip Girth 54" , REG: 56"
  • Foot Girth 34" , REG: 36"
  • Stuff Sack Size M-8"x17.5" , REG: M-8"x17.5"
  • Compressed Bag Size 9"x9.5" , REG: 9"x10"


Mirror Lake was so named because the water is clear and still. Located in the Flat Tops Wilderness, the trail leading to the lake follows pristine Mirror Creek.

This beautiful turquoise blue lake makes the four mile uphill hump worth the trip.

Virtually any caddis or mayfly patterns are bound to bring fish to the surface, so don’t forget your fly rod.the trip.

Virtually any caddis or mayfly patterns are bound to bring fish to the surface of Mirror Lake, so don’t forget your fly rod.

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