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 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. Awards Outdoor Gear Lab Top Pick Features: - Ultralight construction delivers premium comfort at just 70g for the regular size - A plush down layer atop a supportive air chamber provides soft, quiet, and comfortable pillow-top cushioning - Inflates and deflates quickly thanks to the mini XPRESS valve - Offers customisable comfort with up to 12cm thickness and adjustable firmness - Keeps your pillow in place all night with included 3M™ PillowLock System patches that adhere to most camping mats - Sleep well on soft-touch, breathable 20D recycled nylon that feels comfortable against your skin - Rectangular shape provides plenty of space for home-like sleeping comfort - Built for long lasting durability. TPU polyether laminate resists hydrolysis - Made with low impact certified recycled polyester fabric