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Sea To Summit - Comfort Light SI Sleeping Mat

Availability: Out of stock

Stock #: D9PPZ-
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The Comfort Light series aims to hit that sweet spot of minimal weight and packed size but also offers great comfort. At 2 inches, this mattress is going to protect you from just about any less-than-perfectly flat terrain. Sea to Summit's Delta Core™ technology makes sure that the additional thickness doesn’t equate to an increase in weight and provides even insulation across the length of the mattress. The Comfort Light series is made from lightweight 30D polyester with extrusion laminated TPU.


  • Utilizes Delta Core™ technology, which keeps body contact areas warmer while still offering great support and packability
  • Multi-function, patent-pending multi function valve twists over to allow the mat to be rolled tightly without fighting re-inflation as you go
  • At 2 inches thick and an equivalent R-Value of 2.7, the Ultralight SI Mat delivers a great weight to warmth ratio for more comfort-oriented backpackers


Size Small Regular Large
Length 67 in / 170 cm 72 in / 183 cm 78 in / 198 cm
Width 20 in / 51 cm 20 in / 51 cm 25 in / 64 cm
Height 2 in / 5 cm 2 in / 5 cm 2 in / 5 cm
Weight  1 lb 5 oz / 595 gm 1 lb 7 oz / 650 gm 1 lb 15 oz / 880 g
R-Value 2.7 2.7 2.7

Additional Information

Year Spring 2017