For Unprecedented Comfort During Your Backcountry Adventures, The Trail Pro Brings Year Round Warmth And Legendary Therm A Rest Support. The Self Inflating Foam Measures 3 Inches (7.6 Cm) And Features Our Strata Core Construction, A Design That Provides The Best Warmt To Weight Ratio Of Any Self Inflating Foam Construction. The Trail Pro*s 4.4 R Value Allows Adventurers To Enjoy Backpacking And Camping Year Round. The Versatile Self Inflating Pad Features The High Performance Wing Lock Valve, Which Has Three Times The Airflow Rate Of The Classic Valve Thanks To A Larger Opening And One Way Inflation. Like All Therm A Rest Pads, The Trail Pro Is Made In Market To Ensure Quality And Minimize Environmental Impact. The Pad Includes A Compact Stuff Sack.