Inertia X-Lite

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Glossary - Loft Pockets close

Klymit's Inertia X pads are not given an R Value (the accepted measure of thermal insulation for sleeping mats). Instead of simply creating a barrier between the bag and the ground, they make more efficient use of the insulation already in your sleeping bag.

Instead of your bag's insulation being squashed flat against a pad (which then has to make up for the loss of insulation), the Loft Pockets allow it to loft into the cut-outs, using it to its full potential. In warmer conditions this also allows air to reach more of the bag increasing breathability.

Klymit's Inertia X-Lite must be the lightest, most compact, durable and most comfortable torso-length sleeping bag pad ever! It rolls up smaller than a banana and can be inflated with a couple of breaths. However, it still offers the adjustable comfort through the use of a dry air pump, which allows you to reach higher pressures than ordinary mouth-inflate pads.

The cut out regions of the pad not only reduce the pad's bulk and weight, but is the basis for Klymit's patent pending Loft Pocket technology. Loft Pockets allow the insulation on the bottom of sleeping bags to maintain loft and warmth beneath your body, where it would normally be compacted and useless, while promoting breathability. Built with a light fabric on top and a reinforced bottom fabric, the Inertia X-Lite is also one of the toughest pads on the market with a burst pressure of over 10 psi.

  • Weight 173g (pad alone)
  • Dimensions: 107 x 46 x 4 cm
  • Packed Size: 15 x 4 cm
  • Perfect for use inside a mummy bag, or below a bag with pad straps
  • Featured Advanced Body Mapping to save weight
  • Loft Pockets promote breathability on warm nights and are ultra warm on freezing nights
  • Adjustable pressure ensures comfort
  • Requires just 1-3 breaths to inflate
  • Supplied with dry air pump, stuff sack and patch kit (combined accessories weight: 51g)
  • Face fabric: 30D ripstop
  • Reinforcements: 75D polyester
  • Limited lifetime warranty

Compare Sleeping Mats

Brand Model
Weight R Value Dimensions (cm) Packed Size (cm)
Klymit Inertia X-Lite
107 x 46 x 4 15 x 4
Multimat Trekker Voyager
210g   180 x 50 x 0.8 51 x 15
Klymit Inertia X frame
180 x 45 x 3.8 15.2 x 7.6
Therm-a-rest Women's NeoAir XLite
340g 3.9 168 x 51 x 6.3 28 x 10
Klymit Inertia O-Zone
183 x 54.6 x 4.4 15.2 x 8.9
Therm-a-rest NeoAir XLite
350g 3.2 183 x 51 x 6.3 23 x 10
Multimat Extreme XL
350g 1.47 185 x 57.5 x 0.95 57.5 x 16.5
Sea to Summit Ultra Light Insulated Mat
430g 3.3 183 x 55 x 5 23 x 10
Therm-a-rest Women's ProLite   480g 3 168 x 51 x 2.5 28 x 10
Therm-a-rest ProLite   480g 2.4 183 x 51 x 2.5 28 x 10
Klymit Static V   514g 1.3 183 x 59 x 6.5 20.8 x 7.62
Therm-a-rest EvoLite   520g 2.1 183 x 51 x 5 20 x 13
Klymit Static V Insulated   709g 4.4 183 x 58.4 x 6.5 22.8 x 12.7
Exped Down Mat 7 Pump
860g 5.9 183 x 52 x 7 23 x 16
Therm-a-rest NeoAir Camper SV   1050g 2.2 196 x 63 x 7.6 27 x 15
Therm-a-rest LuxuryLite UltraLite Cot   1250g
  183 x 61
196 x 66
41 x 13
43 x 13
Multimat Camper Profile 50 XL
1680g   188 x 55 x 5 57.5 x 15.6
Multimat Comfort 50
1845g 5.22 193 x 63.5 x 5 68 x 15.3

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