Sea To Summit Foamcore Pillow Regular (Aqua Sea)The Sea to Summit Foamcore Pillow Regular in Aqua Sea is a sustainable, hybrid style pillow that combines the plush comfort of home with the compressibility needed for travel and camping. Unlike purely inflatable models, it utilizes upcycled foam offcuts from the production of Sea to Summit sleeping mats, which provides a resilient, supportive feel while reducing waste.