Sea to Summit Comfort Plus SI

  • $204.74

    ONE-TIME PURCHASE

  • $181.19

    Membership Price

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Key Features

  • Synthetic
  • Delta-core technology to minimize the sleeping mat's weight and bulk yet maximize warmth and comfort
  • Multi-Functional valve. High flow rate for easy self-inflation; one way deflation mode prevents red-inflating while packing up
  • 30D stretch knit polyester fabric top allows the mattress to conform to your body for extra soft comfortable feel
  • R value of 4.1 - sufficient for colder-weather camping and backpacking
  • Anti-slip silicone print on top and bottom helps keep your sleeping mat in place
  • 30D knit polyester fabric
  • Best Use: 3.5 Season backpacking and camping. User Height: 6 or shorter
  • Comfort: 3.1" thick Delta Core-V foam cushioning and 4.1 R-Value offer a comfortable and warm sleep
  • Easy to Inflate: Quick and easy inflation, deflation and adjustment with Multi-Function Valve. This valve prevents re-inflation as you pack up, too.
  • Materials: 30D knit polyester fabric is soft and warm to the touch. Non-slip grip print
  • Specs: Inflated Size: 72 in x 25 in x 3 in, Pack Size: 8.6 x 13.5 in., Weight: 2 lbs 13 oz / 1265g
  • 30D knit polyester fabric
  • BEST USE: Comfort-oriented camping, Overland, or canoe tripping four-season camping. Womens Height: 6 or shorter
  • COMFORT: Women’s Delta Foam Core technology delivers 5.2 R-Value for a comfortable and warm sleep
  • EASY TO INFLATE: Quick and easy inflation, deflation and adjustment made possible by the patent-pending Multi-Function Valve.
  • MATERIALS: 30D Knitted polyester (upper) & 30D Woven polyester with an anti-slip print (lower)
  • SPECS: Inflated Size: 72 x 23 in x 3 in, Pack Size: 7.75 x 12 in. Weight: 38.6 oz / 1095 g
  • 30D knit polyester fabric
  • Made in USA
  • BEST USE: Comfort-oriented camping, Overland, or canoe tripping four-season camping. Womens Height: 5 6" or shorter
  • COMFORT: Women’s Delta Foam Core technology delivers 5.2 R-Value for a comfortable and warm sleep
  • EASY TO INFLATE: Quick and easy inflation, deflation and adjustment made possible by the patent-pending Multi-Function Valve.
  • MATERIALS: 30D Knitted polyester (upper) & 30D Woven polyester with an anti-slip print (lower)
  • SPECS: Inflated Size: 67 x 21 in x 3 in, Pack Size: 7.25 x 10.75 in. Weight: 32.6 oz / 925 g

Product Specification

  • Brand Sea to Summit
  • Category Camping/Hiking
  • Color Rec,Burgundy,Purple
  • SKU B07Y5NPGWT

Product Review Video(5 min 45 sec)

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Product Information

The Delta Core system maximizes the comfort and thickness of the mattress while reducing weight and bulk of the polyurethane foam core of our self-inflating mattresses. Our patent-pending coring process removes 40% of the initial volume of the PU foam, giving us a minimal packed weight and size.

This coring technique has the additional benefit of keeping the top and bottom surface of the PU completely intact. This ensures consistent warmth along the full length of the mattress, avoiding the vertical holes that have traditionally allowed warmth to leach downwards. The full foam surface also provides improved bonding of the foam to the shell fabrics of the mattress, thereby greatly reducing chance of delamination.

The shape and size of the Delta Cores are adjusted across the different thicknesses of our mattresses to ensure strength and durability, while still giving the user excellent support and self-inflating performance.

Delta Core Technology
Self Inflating Multi-function Valve

We have literally put a new twist on our very successful multi-function valve so it specifically addresses the inherent characteristic of self-inflating mats - that is, the problem of the foam trying to re-inflate as you're packing up. We've engineered the "one-way" inflation valve to be reversed and used 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 our air mattresses and pillows.

Comfort Plus SI Mat: car camping comfort in a backpack friendly size.

Any offers are genuine savings. Because we match the prices of competitors, there is the potential for prices to drop further. We will always offer our customers our price match promise. Seeterms and conditions

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