Body Mapping Technology: Our patented V-shaped design delivers support and comfort no matter how you sleep ; on your side, stomach or back.Side Rails: Integrated into the patterning and construction, they provide a secure, comfortable sleep by centering you on the pad and inhibiting air movement while tossing and turning.Deep Weld Patterning: Unlike traditional pads that flatten the bag's fill, Deep Welds create expansion zones that allow your bag to fully loft beneath you for improved thermal comfort.Anti Microbial Laminate: Permeates the inside laminate to inhibit the growth of microorganisms, including fungus and bacteria, that can cause odors and material damage.Patch included for emergency repairs Klymit Double V sleeping pad | redwoodtradingpost