Ultralight SI Mat


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Light and packable for minimalist fast hikes, the Ultralight Self Inflating Mat comes in at 1 inch think with the regular size weighing just over 1 pound. Weight is kept down by using 30D Polyester and Delta Core-V vertical coring which keeps body contact areas warmer while still offering great support and packability.
Thickness1 in / 2.5 cm
DimensionsXS: 49 x 20 x 1 in / 125 x 51 x 2.5 cm
SM: 67 x 20 x 1 in / 170 x 51 x 2.5 cm
REG: 72 x 20 x 1 in / 183 x 51 x 2.5 cm
LG: 78 x 25 x 1 in / 196 x 64 x 2.5 cm
WeightXS: 13 oz / 385 g
SM: 1 lb 2 oz / 520 g
REG: 1 lb 3 oz / 550 g
XL: 1 lb 9 oz / 720 g
Sea to Summit
  • Constructed using Sea to Summit's Delta Core-V technique to minimize weight and bulk yet maximize warmth. Using pressure-mapping data to define the contact areas Sea to Summit creates a "map" for their distinct core pattern. This technique keeps body contact areas - shoulders, hips and feet - warmer because the core holes are smaller in those sections
  • Features Sea to Summit's patent-pending multi-functional valve. High flow rate for easy inflation; one-way deflation mode prevents re-inflating while packing up and fine-tuning bleed valve for customized support
  • Lightweight 30D polyester with extrusion laminated TPU used on the top and the base
  • Anti-slip silicone print on the top and bottom helps keep your mat in place
  • Made with environmentally friendly PU foam that is very lightweight yet still offers excellent memory and self-inflating performance
  • Comes with a 30D stuff sack and easy to use repair kit