The sea to summit ultralight si mat is a 1 thick self inflating mattress meaning the core is a lightweight foam drilled out to reduce weight and paired with a 30d polyester shell to trap air inside.
Sea to summit comfort light si review.
Hitting that sweet spot of minimal weight and packed size without losing comfort the sea to summit comfort light si sleeping pad keeps you protected from any ground that s less than perfect.
Repeat the process a couple of times to get your sea to summit mattress inflated.
The delta core technology reduces the weight and packed volume by 40 and the comfort light is a full 2 thick compared similarly priced 1 5 thick self inflating mats insulated well enough for three season temperatures.
The outer shell of the mattress is top quality and designed with a 40 denier tpu laminated nylon the same material other high end backpacking mattresses use.
The sea to summit comfort light insulated is a fairly warm pad with a new and unique design.
The airsprung cells provide a lot of support and help prevent the edge collapse issues of horizontally baffled pads.
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