Nemo Astro Insulated Sleeping Pad STELLAR SUPPORT - For warm, rejuvenating sleep while backpacking; Lateral baffles prevent the pad from curling under your weight, and they're far more comfortable than vertical baffles that align with your limbs PILLOWY LOFT - Sleep better in the backcountry, the oversized pillow baffle at the head end provides extra loft, preventing your camp pillow from sliding and letting you sleep through the night LIGHTWEIGHT & TOASTY - Insulated for colder nights in the mountains; Primaloft insulation keeps you warm down to 15 - 25 degrees F; 20R model weighs 1 lb. 11 oz.; 25L model weighs 2 lbs. even RUGGED W/ RIPSTOP - Durable construction of 75D PU Polyester Ripstop holds up to abrasive forest floors COMPACT COMFORT - The astro hardly takes up any pack space; the 20R model packs down to 8.5 x 4.5 in. dia., measuring 20 x 72 in. inflated; the 25L model packs down to 9.5 x 3.5 in. dia., measuring 25 x 76 in. inflated