The Sea to Summit Aeros Ultralight Pillow Regular is designed for backpackers who want real comfort without added weight or bulk. Ideal for Philmont treks and long days on the trail, this pillow packs down extremely small while providing customizable support for a better nights sleep in the backcountry.Featuring a contoured shape with a concave surface, the Aeros Ultralight helps cradle your head and keep it centered throughout the night. Soft recycled fabric feels comfortable against your skin, while the fast inflating valve allows quick setup and easy firmness adjustments after a long day of hiking. Ultralight pillow designed for backpacking and thru hiking Lightweight packed design ideal for minimal pack space Mini XPRESS valve allows quick inflation and fast deflation Up to 11 cm thickness with adjustable firmness for customized comfort Concave surface and scalloped edges help cradle head and shoulders Soft brushed recycled fabric provides comfort