Whether traveling by train or by foot, the EMS Hobo sleeping pad provides comfort and warmth in a compact package.. . Made with open-cell foam insulation for maximum warmth and minimum weight. Pad self inflates when rolled out so you can focus on other camp set-up duties. 75D polyester ripstop shell is lightweight and durable. R-Value: 3.4. Made in Seattle, WA. 40818094419 19327300028 S14P0213