Ultra lightweight and simple, the Nemo Astro™ Sleeping Mat series offers a plush 3.5-inch thickness, a premium fabric suite, and lateral baffles.Lateral baffles are more comfortable than vertical baffles, and prevent the sides of the pad from curling around your body. The large Pillow Baffle™ at the head end of the pad ensures that your pillow doesn’t slide off in the middle of the night, and gives a couple extra inches of height to bolster your camp pillow.Astro is updated in 2019 with the Laylow™ zero-profile, multi-functional, micro-adjustable valve offers convenient inflation, personalized comfort, and deflation. Features Plush 3.5” thickness is incredibly plush and comfortable. Lateral baffles offer an even, stable sleep and prevent the sides from curling around the body. Pillow Baffle™ keeps your pillow in place and adds loft at the head. Updated in 2019 with Laylow™ zero-profile, multi-functional, micro-adjustable valve for customized inflation control. Insulated models are lined with Primaloft® synthetic insulation to create a barrier against the cold ground. 75D PU Polyester Ripstop provides durability against puncture. Packaging is made from recycled materials and is 100% recyclable. Protected by the NEMO Lifetime Warranty. Nemo Astro Ultralight Insulated Sleeping Mat: Regular Size