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. A new and improved stuff sack with easy-carry handle is also included.
NOTE: Find in Store Inventory levels are continuously changing. Please contact store to confirm availability is as shown.
- 10 cm (4") of stabilized loft provides the comfort of home anywhere
- Vertical sidewalls maximize useable sleep surface
- Foam core delivers all-season warmth to assure a great night's rest anytime
- Dual valves allow compressible foam core to expand/inflate when unpacked; just a few breaths top it off to your ideal firmness
- Mates with another 3D mattress
- R-Value: 11.4
- Weight: 2.5 kg / 5 lbs. 8 oz.
- Width: 63 cm / 25"
- Length: 196 cm / 77"
- Thickness: 10 cm / 4"
- Packed Dimensions: 18 cm x 66 cm / 7" x 26"
- Materials: 75d Reverse Diamond, 75d Polyester, Urethane Foam
- Leaves the warehouse in 1-7 business days depending on order volume.
- Items may be returned within 60 days of the order date to an Atmosphere retail store or an Atmosphere warehouse. Items must be returned unused/unworn and electronics unopened. See Online Return Policy and Return Instructions for more information.
- Note: Shipping restrictions may apply based on location and product size.