DESIGN & DETAILS: Sleep soundly next to your friend or partner with the DoubleV Sleeping Pad Designed with side-by-side V-Chambers and dynamic side rail design for increased comfort that keeps you centered on the mat and inhibits air movement for less heat loss Klymit's advanced synthetic insulation slows the transfer of air between the top and bottom halves of the pad to increase thermal performance Side rails are perfect for those who toss and turn throughout the night Constructed with a valve that provides quick inflation and deflation in 10-15 breaths Deep Weld patterning creates expansion zones that allow your bag to fully loft beneath you for extra warmth 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 repairs