Sea to Summit Comfort Plus Self-Inflating Sleeping Mat

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Designed to maximise comfort and warmth, the Comfort Plus Self-Inflating Sleeping Mat features PU foam insulation with Delta Core technology to reduce weight and packed size while retaining optimal support and comfort. Other features include a soft next-to-skin feel on top, a non-slip grip print to keep the mat from slipping, a flip-over multi-function valve for easy inflation, deflation and adjustment and PillowLock™ to hold your Sea to Summit pillow in place. Car camping comfort in a pack friendly size.


  • 4.1 R-Value is warm enough for all but the coldest ground
  • 10cm-thick foam and knitted polyester upper face fabric provides for an amazingly comfortable nigh's sleep
  • Delta Coring removes over 40% of the foam to reduce weight and bulk, without compromising durability
  • Woven 30D polyester face fabric has been chosen for its light weight and strength
  • Silicone print prevents your sleeping pad from slipping on the tent floor
  • Flip-over multi-function valve for fast and easy inflation, deflation and fine-tuning of air pressure
  • PillowLock™ system prevents your Sea to Summit Aeros Pillow from slipping


Length 183cm (Regular, Regular Wide Rectangular)
Shoulder Width 55cm (Regular), 64cm (Regular Wide Rectangular)
Foot Width 41cm (Regular), 64cm (Regular Wide Rectangular)
Thickness 8cm
Rolled Size ⌀17 x 28cm (Regular), ⌀22 x 34cm (Regular Wide Rectangular)
Fill Polyester
Average Weight 970g (Regular), 1380g (Regular Wide Rectangular)
Relative Warmth (R Value) 4.1 (0.7220m2.kelvins/watt)
Made From Upper: 30D knitted polyester upper
Base: 30D polyester
Insulation: PU foam

Delta Core™ technology:

Multi-Function S.I. Valve: this valve specifically addresses the inherent characteristic of self-inflation mats, i.e. the problem of the foam trying ro re-inflate as you're packing up. Sea to Summit have engineered the "one-way" inflation valve to be reversible and used it to prevent the mat from drawing air back in. This allows you to roll the mat up as small as possible without fighting re-inflation as you go. This patent-pending valve design has the same slim profile, faster inflation than traditional screw valves, easy pressure fine-tuning and super-fast deflation rate as their air mattresses and pillows.



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