From the Trek & Trail series Therm-a-Rest's most versatile sleeping pads the Therm-a-Rest Trail Pro Sleeping Pad is lightweight durable and its unmatched comfort will help you get a good night's rest. The Trail Pro is the lightest thick mattress ThermaRest has ever made using a uniquely perforated foam resulting in addition comfort and warmth. Constructed with textured ripstop polyester on the top to keep you from slipping off and a nylon oxford bottom to provide great tear and puncture protection.