sleeping pads

How Therm-A-Rest Sleeping Pads Are Made

In the early 1970s, two Boeing engineers used a sandwich press to put a slice of foam between two pieces of airtight nylon and invented the self-inflating sleeping pad for campers. Therm-A-Rest still uses that basic principle today, just the sandwich machine has given way to an entire factory in…

Outdoor Sleeping Pad Comparison Data

Here’s the hard data and size comparison pictures to accompany the outdoor sleeping pad comparison. Hopefully, this gives you a substantial ability to compare the pads and draw your own conclusions.