REI Flash

The REI Flash is an insulated inflatable sleeping pad for three-season use, with an R-value of 3.2 (tested to ASTM F3340-18) that covers most spring-through-fall nights above freezing. Warmth comes from a hybrid setup of PrimaLoft Silver insulation paired with a reflective film — there's no foam layer inside, so loft and reflection alone trap the heat. At 430 g, the mummy-tapered pad sits mid-pack in weight among 3-season air pads: light enough to matter to backpackers counting ounces, but not chasing sub-300 g ultralight territory. The 7.6 cm thickness gives decent support for side and back sleepers, and the horizontally baffled 30D ripstop nylon top fabric is a tough, unremarkable choice for trail use. A pump sack, stuff sack, and repair kit come in the box, so there's nothing extra to buy before heading out. With a 1-year warranty, the Flash reads as a dependable, mainstream pad rather than a specialized ultralight option — a sound pick for weekend trips and multi-day treks where comfort-to-weight balance matters more than shaving the last few grams.