Stay comfortable and insulated in the great outdoors with the GI Self-Inflating Mattress, a genuine U.S. Military-issue ground mat (NSN: 8465-01-393-6515). Manufactured by Therm-a-Rest Cascade Designs, a leader in outdoor comfort, this sleeping pad features open-cell foam and a waterproof, durable shell that inflates upon opening. Lightweight and compact, it provides superior insulation and cushioning to keep you warm and off the cold, hard ground during any mission or camping adventure. Made in the USA and built to military specifications, it’s a dependable choice for all your outdoor adventures.