Mountain Hardwear Lamina Z Bonfire -30/-34 Regular Sleeping Bag



Item #: 332015549

Mountain Hardwear’s warmest synthetic water-repellant bag, with unique Lamina™ construction for ultimate warmth. A warm synthetic bag with Thermal.Q® insulation is both compressible and durable. Welded Lamina™ construction enhances loft and eliminates cold spots. Soft polyester lining wicks away moisture and lightweight nylon shell repels water. Full-length durable #8 zipper has double sliders for ventilation.

NOTE: Find in Store Inventory levels are continuously changing. Please contact store to confirm availability is as shown.


  • Slightly wider, winter mummy cut
  • Proprietary, welded Lamina™ construction enhances loft and eliminates cold spots
  • Zoned insulation maximizes warmth where it's needed most
  • Thermal Q® insulation has outstanding compressibility and maintains excellent loft
  • Ergonomic draft collar blocks the escape of heated air from inside the bag
  • Full length #8 zipper with double sliders for versatile ventilation
  • Comfort footbox follows natural foot position for maximum warmth and comfort
  • Face gasket and tailored hood comfortably block drafts at the hood opening and seal in warmth
  • Durable, lightweight nylon shell with DWR treatment repels water
  • Soft polyester lining wicks away moisture
  • Zippered pocket at shoulder for storage
  • Nylon compression stuff sack and mesh storage bag included


  • Weight: 5 lb 1 oz. / 2.29 kg
  • Bag Shape: Winter Mummy Cut
  • Bag Loft: 9 in / 23 cm

Shipping Info:

  • Leaves the warehouse in 1-7 business days depending on order volume.
  • Items may be returned within 60 days of the order date to an Atmosphere retail store or an Atmosphere warehouse. Items must be returned unused/unworn and electronics unopened. See Online Return Policy and Return Instructions for more information.
  • Note: Shipping restrictions may apply based on location and product size.


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