My shopping cart
Your cart is currently empty.
Continue ShoppingThermarest MondoKing 3D
Are you always on the lookout for something bigger and better? Your ship has arrived with the MondoKing 3D. Simply put, the MondoKing™ 3D is the biggest Therm-a-Rest® mattress ever. Vertical sidewalls create 20% more usable sleep surface so you have room to sleep like starfish. Dual valves allow compressible foam core to expand and inflate quickly when unpacked. Stuff sack included.
Sign up for special offers, information on Kayak Demo Days, and more!