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Sea to Summit Comfort Light Self Inflating

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As low as €116.05 Regular Price €128.95
Including V.A.T.
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R-rating 3.0 - 3.9

Quick overview

Twice the thickness of the Sea to Summit Ultra Light S.I. mat for no more than 160 grams. Using Delta Core™ technology, the Sea to Summit Comfort Light Self Inflating Mat is for those of us who are looking for the perfect compromise between comfort and weight in a traditional self-inflating foam mat.

At 5 cm thick, you can be sure of a great nights sleep while an R-value of 3.1 will give you plenty of insulation for 3-season comfort and still leave you with plenty of room in your pack for everything else.

All of Sea to Summit's S.I. mats use the first ever, multi-function single valve designed specifically for self-inflating mats. No more fighting re-inflation as you try to roll up your mat!


Sea to Summit Comfort Light Self Inflating Small Regular Large
R-value 3.1 3.1 3.1
Thickness (cm) 5 5 5
Width (cm) 51 51 64
Length (cm) 170 183 198
Weight (grams) 595 650 880
Inflation type Self inflating Self inflating Self inflating
Insulation material Synthetic Synthetic Synthetic
Packed dimension (cm) 14.5 x 26 15.3 x 26 16.5 x 33
Intended use Trekking, Camping Trekking, Camping Trekking, Camping


  • Delta Core Technology
  • Anti-slip print on base of mat, helps hold your mat in place when camping on sloping ground is unavoidable
  • Lightweight 30D polyester with extrusion laminated TPU used on top and base
  • Large horizontal triangular cores reduce the weight and bulk without sacrificing support and comfort
  • PU foam is thicker on top of each Delta Core for better insulation directly under you. It also keeps top and bottom surface of foam intact ensuring consistent warmth along entire length of the mat and better bonding with shell fabrics
  • Diagonal supporting foam walls help inflate the mattress and creates a more compact rolled mat