The Klymit Pillow X. It features an innovative self centering X design so your head stays comfortably supported. It weighs only 2.3 oz and packs up small, so you don't have to sacrifice comfort when you're out on the trail. Your head will be oriented perfectly on the pillow for enhanced sleep. Ultralight pillow with unique, cradling X design. Packs to the size of a lighter. Most comfortable inflatable pillow. Self centering X design to keep your head on the pillow.. Weight: 2.3 oz. 70 g. Size: 15 x 11 x 4 38.1 cm x 27.9 cm x 10.2 cm. Takes only 1 2 breaths to inflate. Fabric: 75D polyester top and bottom.