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Mountain Hardwear Lamina Z Spark Regular

A regular-length synthetic fill summer sleeping bag rated to ca 6ºC to 1ºC for comfort. Left and right zipped options are available.


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With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

You Pre-Order is prioritised (at no additional charge); meaning that, as soon as the product arrives with us, we can wrap it straight back up and get it sent out to you - it often never even hits the stock room shelves!


With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery Dates

Estimated Delivery Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery Dates provided on product pages.

The Current Estimated Delivery Dates for Mountain Hardwear Lamina Z Spark Regular is

Mountain Hardwear Lamina Z Spark Regular Description

  • Brand : Mountain Hardwear
  • Season : Not Applicable
  • Code : MHW LAMZSKR
  • Packaged Weight : 2KG
  • Mountain Hardwear Lamina Z Sleeping Bags are slightly more traditional (ie left and right zip options) than the HyperLamina bags but still use the unique Lamina™ construction which maximises the loft of of the insulation, eliminates cold spots and thermally maps insulation to areas where you need the most warmth. Using strategically placed insulation, these bags concentrate warmth where you need it most – around your core and feet. The comfort mummy fit of this gives room to move while remaining thermally efficient. It also features a draft collar. The soft polyester lining wicks away moisture and a lightweight nylon shell repels water. The full-length zip has double sliders for ventilation and comes in left and right options (which can be zipped together).

    • Proprietary, welded Lamina™ construction enhances loft and eliminates cold spots.
    • Zoned insulation maximises warmth where it's needed most.
    • Thermal Q® insulation has outstanding compressibility and maintains excellent loft.
    • Comfort mummy cut efficiently minimises weight without constriction.
    • Ergonomic draft collar blocks the escape of heated air from inside the bag.
    • Full length #5 zip 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.
    • Zipped pocket at shoulder for storage.
    • Nylon compression stuff sack and mesh storage bag included.
    • Left and right zipped options are available.
    Insulation: Thermal Q 60g Thermic Micro.
    Shell: Lamina Revamp Ripstop.
    Lining: 40D  Polester Taffeta.
    MHW Lamina Z Spark Regular
    Loft 8cm
    Comfort Limit: 


    weight packed size
    960g 15cm x 30cm


    Buyers Guide

    EN Sleeping Bag Temperature Ratings

    EN13537 is the European standard for sleeping bags and requires a thermal manikin test which produces four temperature results — upper limit, comfort, lower limit and extreme. There is no legal obligation to use this standard though most reputable brands do, even non-European ones. There is an exemption for military sleeping bags and sleeping bags for extreme temperatures, ie a comfort range of below -25°C. 
    Upper Limit: the temperature at which a standard man can sleep without excessive perspiration. It is established with the hood and zips open and with arms outside the bag.
    Comfort: the temperature at which a standard woman can expect to sleep comfortably in a relaxed position.
    Lower Limit: the temperature at which a standard man can sleep for eight hours in a curled position without waking.
    Extreme: the minimum temperature at which a standard woman can remain for six hours without risk of death from hypothermia (though frostbite is still possible).
    For the purpose of these measurements, a "standard man" is assumed to be 25 years old, with a height of 1.73m (ie 5' 7", not very tall) and a weight of 73kg; a "standard woman" is assumed to be 25 years old, with a height of 1.60m (ie 5' 2.5") and a weight of 60kg.

    Sizing Information

    MHW Lamina Z
      internal length shoulder girth hip girth foot girth
    Regular 198cm 160cm 150cm 104cm
    Long 213cm 165cm 163cm 109cm

    Technical Information

    Mountain Hardwear Lamina Z Spark Regular
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