Sea to Summit Comfort Plus SI Rectangular Sleeping Pad

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With a plush 3.125 in. thickness and Delta Core™ technology, the Sea to Summit Comfort Plus SI self-inflating, rectangular sleeping pad delivers excellent sleeping comfort in the great outdoors.

  • Features

    • Delta Core design provides warm core body zones, removing 40% of bulk and weight while leaving plenty of thickness to keep your nights comfortable
    • This pad has an R-value of 4.1, which makes it best for adventures in cold weather; it provides considerable insulation from ground temperature
    • Most sleeping pads we sell range from 1.0 (good for warm weather) to 5.5+ (for use in extreme cold); the higher the R-value, the more insulated the pad
    • Low-profile, high-volume multifunction valve allows fast deflation without fighting re-inflation as you go
    • Nonslip print on top and base keeps mat in place
    • A luxurious 30-denier stretch knit fabric on top for a quiet and soft, next to skin feel
    • Lightweight 30-denier polyester with extrusion-laminated thermoplastic polyurethane on top and base
    • PillowLock™ attaches your Aeros™ pillow to your mat, holding it in place so you don't lose it in the night (pillow not included)


    View the Sea to Summit Comfort Product Line View all Sea to Summit Self-inflating Pads
  • Technical Specs

    Best Use


    Sleeping Pad Type

    Self-inflating Pad

    Sleeping Pad Shape


    Sleeping Capacity




    Insulation Type

    Open-cell Foam



    Stuff Sack Included


    Packed Size

    8.5 x 13.5 inches

    Pad Thickness (in.)

    3.125 inches


    72 x 25 x 3.125 / 79 x 25 x 3.125 inches



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