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Exped SynMat HL LW

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The Exped SynMat HL LW is an air sleeping mat filled with synthetic fibre insulation to make it more comfortable, warmer and lighter than regular sleeping mats.

Even though this is the LW: Long Wide version, the Exped SynMat HL still packs down small, thanks to super compressible microfibre filling. Quick inflation with the ingenious ‘Schnozzel Pumpbag’ allows you to inflate the mat rapidly while preventing humidity from your breath affecting the insulation. It also doubles as an ultra lightweight waterproof compression stuff sack that you could use for storing your sleeping bag. The SynMats do not reach the insulating properties of the DownMats but offer the same comfort, low weight and compact packed size. They come at a lower price point as synthetic fibre is cheaper in cost than the goose down found in the DownMats. The weight to warmth ratio is far superior to standard foam filled camping mats.

This mat offers Next-to-skin comfort and anti-slip GripSkin honeycomb-pattern coating. Laminate is air tight and impervious to hydrolysis. Another great option for 3 season use.

HL: Hyperlite | LW: Long Wide


Check out Rock + Run's detailed review of the Exped Synmat Hyperlite


  • The dual purpose durable flat valve with one-way flap ensures swift inflation with the Schnozzel Pumpsack. Quick pin insertion for deflation.
  • The synthetic microfibre filling is laminated to both upper and lower sides of the mat which eliminates the loss of loft common to synthetic filled sleeping bags. Baffles welded between the microfibrefilled air chambers eliminate cold spots and create a thick, comfortable, and stable air cushion.
  • Laminated polyester fabric is both durable, airtight and humidity resistant. The shell‘s top surface is of brushed polyester fabric that provides excellent slip resistance and comfort next to the skin. 
  • Air cells on the sides are thicker and give the mat a cradle shape that prevents you from rolling off the mat.
  • Ingenious taperd shape allows 2 mats to be placed next to each other in the smallest of tents, here placed head to foot.


  • Top: 20 D Polyester, TPU polyether film laminate, hydrolysis resistant, Honeycomb Gripskin coated, Oeko-Tex 100 certified
  • Bottom: 20 D Polyester, TPU polyether film laminate, Hydrolysis resistant, Oeko-Tex 100 certified
  • Insulation: 60 g/m² Texpedloft Microfibre, Bluesign certified


  • Packed/Compressed Size: 20 x 10cm
  • Length: 197cm
  • Width (at widest point): 65cm
  • Thickness: 7cm
  • Temperature: -6°C / 21.2°F
  • R-value: 3.3
  • Weight: 445g
    Customer Reviews
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    Filter Reviews:
      Thomas W.
      United Kingdom

      Great Mat

      I love camping, wild or otherwise, but i have never slept well! This Mat solved that issue, especially for its compact size. I am 6ft3 and 120kg, but I never feel the floor unless I am sitting on it, which is understandable. The snozzle bag is a great addition and fast for pumping! All-in-all a great Mat. Note: I have not tested it in cold weather, but it's R-value is quire high, so it may do well in a mild winter, we'll see.

      Rock + Run Sleeping Bags

      Ethically sourced Polish goose and duck down, combined with lightweight technical fabrics for exceptional warmth, weight and durability.