The Aeros Down Pillow combines the softness and supportiveness of the Aeros pillow series with a luxurious down pillow top. Technical fabrics from the Spark/Flame sleeping bags keep the weight down and the packed size almost impossibly small. And, as you drift off to sleep, your pillow won’t be sliding off your mat, thanks to the Pillow Lock system which keeps your pillow right where it belongs. Features Premium down cushion-top for comfort and warmth. Soft, silent TPU air bladder provides excellent support. Technical fabrics from our Spark/Flame sleeping bags make it incredibly lightweight. Inflate pillow in just a couple of breaths and fine-tune easily with the multi-function valve. Pillow Lock - prevents slippage by securing pillow to your Sea to Summit sleeping mat. Specifications Best Use: Sleeping well Comes With: Stuff Sack Fabric: Premium down cushion top with 10D fabric Regular Large Deluxe Dimensions 34 x 24 x 12 cm 42 x 28 x 12 cm 59 x 38 x 12 cm Packed Size 8 x 6.5 cm 9 x 7 cm 8 x 14 cm Weight 70 g 95 g 190 g