DESIGN & DETAILS: Quick and easy inflation, deflation and adjustment with the multi-function, high flow-rate valve and supplied Airstream(TM) pump sack Lightweight, quiet and grippy 30/40D nylon face fabric Extra thick and exceptionally warm-4" of backpacking sleeping comfort for true four-season performance Field repairable with included 3M self-adhesive patches TECHNOLOGY: Pillow Lock(TM) attaches an Aeros(TM) pillow to mat Anti-microbial treatment added to the TPU lamination formula prevents internal mold growth