Mountain Hardwear - Laminina Z Spark 34d Bag

Mountain Hardwear - Laminina Z Spark 34d Bag

Availability: In stock

Stock #: D40X-

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Unique Lamina™ construction maximizes the loft of your insulation, eliminates cold spots and now comes thermally mapped to put insulation where you need it most. By strategically placing insulation, Mountain Hardwear is able to concentrate extra warmth where women need it most – around their core and feet. The comfort mummy fit of this 34°F/1°C -rated bag offers room to move while remaining thermally efficient. It also features Mountain Hardwear's exclusive welded Lamina™ construction that maximizes loft and eliminates cold spots caused by traditional stitching. Soft polyester lining wicks away moisture and lightweight nylon shell repels water. Full-length zipper has double sliders for ventilation.


  • 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
  • Increased insulation to set temperature ratings to T-Comfort for warmer women’s bags
  • Engineered especially for women, the comfort mummy cut maximizes warmth and fit wihile minimizing weight
  • Full length #5 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



  • Insulation: Thermal Q 100g Thermic Micro
  • Bag Shell: Lamina Revamp Ripstop
  • Bag Fill Type: SYNTHETIC


  • Apparel Fit: Regular-Sleep Bags
  • Weight: 2 lb 7 oz (Regular) 2 lb 10 oz (Long)
  • Bag Shape: Women's Comfort Mummy Cut
  • Bag Loft: 4 in / 9 cm
  • Bag Stuff Size: 7 in x 14 in / 18 cm x 36 cm
  • EN Rating: T-LIMIT: 23 F / -5 C
  • EN Rating: T-COMFORT: 34 F / 1 C
  • Inside Length Regular: 72 in / 183 cm
  • Inside Length Long: 78 in / 198 cm
  • Hip Girth Regular: 53 in / 135 cm
  • Hip Girth Long: 59 in / 150 cm
  • Foot Girth Regular: 39 in / 99 cm
  • Foot Girth Long: 41 in / 104 cm
  • Shoulder Girth Regular: 58 in / 147 cm
  • Shoulder Girth Long: 60 in / 152 cm

Additional Information

Additional Information

Temp Rating 34°F