Added Warmth: Diagonal-cut foam increases warmth without adding weight. Superior Comfort: Two inches (5 cm) of supportive loft, plus a semi-rectangular shape that offers gapless coupling of mattresses. Lightweight: Our exclusive vacuum-poured Atmos™ Foam keeps weight to a minimum while delivering exceptional packability. Self-Inflating: Expanding foam core self-inflates; top off with just a few breaths for personalized firmness. Colour: Gecko R-Value: 4.0 Weight: 1 lbs 14 oz / 860 g Width: 20 in / 51 cm Length: 72 in / 183 cm Thickness: 2 in / 5 cm Packed dimension: 11 x 6.6 / 28 x 17 Volume: 3024 cu. in Top fabric type: 75d Polyester Core: Diagonal Punched Urethane Foam