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Mountain Hardwear Lamina -34C Sleeping Bag Regular

Unique Lamina™ construction maximizes the loft of your insulation; eliminates cold spots; and thermally maps insulation to areas you need the most warmth. By strategically placing insulation, we are able to concentrate warmth where you need it.


  • Proprietary, welded Lamina™ construction enhances loft and eliminates cold spots
  • Standard mummy cut is efficient , warm and comfortable
  • Shaped draft collar blocks the escape of warm air from inside the bag
  • Contoured footbox follows natural foot position for maximum warmth and comfort
  • Tailored hood comfortably blocks drafts and seals in warmth
  • Lightweight but durable two-way #5 zipper with anti-snag for easy entry and exit
  • 30D nylon ripstop shell fabric is lightweight and compressible
  • Glow in the dark, reflective zipper pull
  • Nylon compression sack and mesh storage sack included
  • Durable water-repellent finish
  • Left hand and right hand zippers available for zip-together functionality
  • Two-way zipper allows for easy ventilation

Specifications & Sizing:

Insulation: 100% Polyester
Bag Fill Type: Synthetic

Regular Length

Approx. Weight*: 5 lb 3.1 oz / 2355 g
Bag Shape: Standard Mummy
Bag Loft: 9" / 23 cm
Approx. Bag Fill Weight*: N/A
Bag Stuffed Size: 11 in / 28 cm x 21.5 in / 54.5 cm
Inside Length Regular: 86in / 218cm
Inside Length Long: 92in / 234cm
Hip Girth Regular: 55in / 140cm
Hip Girth Long: 58in / 148cm
Shoulder Girth Regular: 60in/ 152cm
Shoulder Girth Long: 62in / 157cm

Ideal For:

Winter, Alpine Climbing, Backpacking