Insulated Lightweight Hiking Mattress R5.0 (JR Gear)


Insulated Lightweight Hiking Mattress R5.0 (JR Gear)


or 4 fortnightly payments from $42.50 with Afterpay More info

SKU: 32836037157-1


This JR-Gear “Venture” (R5.0) insulated lightweight hiking mattress is popular for hikers wanting to explore slightly colder climates.  So, if you’re planning a trip to NZ or somewhere colder (#shudder) then an insulated mattress will be an essential part of your sleep system.  And this is the latest design from our partners at JR Gear, it has the ‘All-in-One’ valve and a 75D nylon shell.

Why buy from K2MountainGear:

  • Pay in AUD (not USD)
  • Shipped by Auspost (from Brisbane)
  • 1-year Australian no-hassle warranty.

The Standout benefit is the Primaloft (designed by the US Army) eco synthetic patching reinforced Traverse Core. With 2 different grades of PrimaLoft,  100g/m2 and 133g/m2 providing extra torso warmth, whilst shaving weight for the head and foot area.


If you need something that a little less extreme check out the JR Gear R3.0 & R4.0 insulated lightweight hiking mattress from our store.


Yes, we post to PO Boxes and we utilise tracking for total peace of mind
We’ll process your order very quickly so that our partners at Auspost can do their thing.

Estimated Delivery times, for the following metropolitan areas, are:

Brisbane        2 business days
Sydney          3-4 business days
Melbourne    3-4 business days
Adelaide       5-6 business days
Perth             5-6 business days
Hobart          5-6 business days





Additional information

Weight .650 kg
Dimensions 25 × 15 × 15 cm


Brand Name



75D Nylon


Mummy Std, Rectangular Std, Rectangular XL

  • R-value:                     5.0 (approx)
  • Length x width:        183 X 51 x 8.9cm (XL = 198 x 63 x 8.9 cm)
  • Packed size:               23cm x 11cm dia (XL = 23 x 13 cm dia)
  • Weight (mat):           590/635g  (XL = 850g)
  • Weight (stuff bag):   25g
  • Construction Style:   21x Transverse Baffles
  • Material:                     75D Nylon with TPU coating
  • Insulation:                  PrimaLoft 100/133


Being an insulated mat, the design must be a simple baffle. To compensate for the comfort loss the design is 8.9cm thick.
Which means plenty to air gap to prevent grounding, adds comfort and increases insulation that much further.


“We get it… Selecting the right type of mat can be bewildering.”

Rest assured that all of us at K2MountainGear have felt that pain at some point.
To help things out and hopefully allay any fears – we sell equipment for hikers (by foot, bike or even kayak).

We know that you can find heavyweight camping/hiking equipment at most camp stores – we don’t sell that gear !!
Instead, we focus on designing (or sourcing) lightweight alternatives.

That way you can find the perfect mat for your next outdoor adventure and find the right balance in warmth, comfort, and weight.


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