Therm-a-Rest
MondoKing 3D Sleeping Pad
Built with StrataCore construction, camp like royalty with luxury support and 3D shape.
Stable Comfort: 4 inches (10 cm) of stabilized loft provides the comfort of home anywhere.
StrataCore™ Construction: Yielding an impressive warmth-to-weight ratio, StrataCore uses a continuous layer of thermal foam nestled between alternating ridges of air and foam.
Comfortable Fabric: Supple stretch knit fabric provides deluxe breathability and plush surface.
Giant Sleep Surface: Vertical sidewalls maximize useable sleep surface.
Incredibly Warm: Foam core delivers all-season warmth to assure a great night's rest anytime.
Easy to Pack: StrataCore construction allows the pad to easily compress and pack away.
Mateable: Mates perfectly with other 3D mattresses.
TwinLock™ Valve: Utilizing two one-way valves, one for inflation and one for deflation, the TwinLock valve system makes setting up and breaking camp a breeze.
Pump stuff sack included
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Frequently Asked Questions
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Free shipping on orders over $99 (oversize charges may apply) - Read our shipping policy for more information.
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Standard shipping estimates are as follows:
Alberta and British Columbia: 2-4 business days
Saskatchewan and Manitoba: 3 - 4 business days
All other provinces and territories: 5 - 9 business days
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We offer fast & easy returns on most products. Exceptions include products 30% off or more, climbing gear, underwear & more.
Read our return policy here.


Premium gear is our promise
We were established almost 75 years ago by John Monod, a Swiss mountain guide and ski instructor. Quality outdoor gear is what our brand was built upon since 1949.