Sea to Summit Ultra Light S.I. Self Inflating Mattress Regular orange
Light and packable for minimalist fast hikes
Graduated pattern of vertical cores to keep body contact areas warmer.
All of our 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!
Delta Core-V Technology
Anti-slip print on base of mat, helps hold your mat in place when camping on sloping ground is unavoidable
Made from lightweight 30D polyester with extrusion laminated TPU
Small vertical Delta Cores in body contact areas (shoulders, hips and feet) keep you warmer
Larger vertical Delta Cores in non-body contact areas reduce the mat’s weight and bulk
Multi-functional, high flow-rate valve
R-value: 2.6
2,5cm thickness
Packs down to Ø12.3x33cm
Measurements inflated: 183 x 51cm
Weight: 550g
Brand No.: AMSIULL
In the lighter Sea To Summit SI air mat models, they have removed 20% of the weight and bulk of the PU foam by using their vertical Delta Core-V method. Sea To Summit uses sophisticated pressure mapping data that becomes the blueprint for their distinctive graduated core pattern. Where extra warmth and support is needed for the body contact areas - shoulders, hips, and feet - the core holes are smaller. In the less critical areas, Sea To Summit has removed more foam to minimize the weight and packed size.
Delta Core-V technology is used in the Sea To Summit Ultra Light SI and Camp Mat SI models.
To make inflation and deflation of its air mats easier, Sea to Summit developed the multi-function valve. This valve integrates an inflate port with a one-way valve to prevent air loss before you seal the valve, a rapid air dump deflate port, and a fine tune button to adjust for comfort - all in one compact, low profile unit. It has also been designed to allow easy attachment of a pump, for simpler inflation.
Extrusion lamination is common in the medical and aeronautical industries, but Sea to Summit pioneered its use in outdoor products. Liquid Thermoplastic Urethane is applied to the face fabric through an extrusion head, where it bonds permanently. The result: Sea to Summit sleeping mats are more reliable and longer-lasting.
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