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Home / Roof Top Tent Mattresses / Dually Extend
Dually Extend
Dually Extend
Dually Extend
Dually Extend
Dually Extend
Dually Extend

Dually Extend

$249.00 - $289.00
Size

The Dually Extend expands the sleeping area of the Dually by maximizing extra space with HEST’s enhanced memory foam. The Extend easily attaches to HEST Dually models—Dually Extend 72 for the Dually Wide and Dually Extend 78 for the Dually Long or Queen—offering a larger mattress area suitable for slide-outs in campers, larger RTTs, and RVs. It can also be used alone on benches or other narrower spaces.

SIZING GUIDE

"I've slept on at least 30 different camping pads over the years.  I'm not sure I'll ever sleep on another one." - Field & Stream 

The Dually Extend expands the sleeping area of the Dually by maximizing extra space with HEST’s enhanced memory foam. The Extend easily attaches to HEST Dually models—Dually Extend 72 for the Dually Wide and Dually Extend 78 for the Dually Long or Queen—offering a larger mattress area suitable for slide-outs in campers, larger RTTs, and RVs. It fits perfectly in Tune Campers or Four Wheel Camper's Project M. The Dually Extend can also be used independently from the Dually, providing extra comfort for benches or other narrower spaces where HEST’s enhanced memory foam is desired. 

HEST products are engineered for optimal body alignment, pressure point relief, and temperature regulation. Two layers of high-performance memory foam provide the most comfortable camping mattress or sleeping pad available.

Dually Extend

Extra Space Premium Comfort

Watch Now
2 Sizes For Extra Space!

We offer the Dually Extend in 2 sizes to create a larger mattress area suitable for slide-outs in campers, larger RTTs, and RVs.

CHECK OUT OUR HOW TO VIDEO FOR MORE INFORMATION

Dirt & Water Resistant Cover

Linking Clips For Expanding Sleeping Area

Machine Washable Cover

Two Layers of Memory Foam

Dually Compatible

Stretch Woven Nylon Sleep Surface

Temperature Resilient Foam

Easy Carry Handle

ENHANCED MEMORY FOAM: Two layers of high performance polyfoams found in leading home mattresses.  Top layer is a plush body contouring & temperature resilient foam.  Bottom layer provides support & pressure point relief. HEST foam is CertiPUR-US foam.

REMOVABLE & WASHABLE COVER: The cover is easy to remove and machine wash. 

OUTDOOR READY MATERIALS: Waterproof & dirt resistant materials were selected with the great outdoors in mind. 

RUGGED CONSTRUCTION: Abrasion resistant lower fabric perched on top of an inflatable drop stitch base.  Keeping you and the memory foam dry even when it starts to get soggy out. 

Overall rating: 5.0 / 5 from 2 reviews.

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    Review highlights

      Reviews

      Now I have a HEST in my Ursa Minor Camper!

      "Love it! I was looking for a solution that fit well in my Ursa Minor camper. Originally I was using two foamy 25" x 78" mattresses. The Ursa Minor is 50” wide in the shoulders but tapers and becomes more narrow towards the toes and I really had to squish it in there. I returned one 25" x 78" and substituted a duelly extend (20” x 78”). Those 5” of savings made a big difference and now the top closes nicely and I still have a wonderful HEST mattress to sleep on. The only thing that would make it better would be if HEST were to partner with Ursa Minor to make the mattress perfect. I’m unable to use the ursa minor hatch with this system which is the big compromise but the mattress is awesome!"

      — Eric K. (5/5)

      Absolutely Incredible

      "These mattresses are incredible. Best night sleep ever."

      — sean f. (5/5)

      Q&A

      What fitted sheet should I purchase for the dually extend 78?
      Hey Andy! Thanks for reaching out. You can purchase a Fitted 25 in either our standard fabric or our cooling fabric. The Fitted 25 is 5" wider than the Dually Extend 78, however many customers have tried this and been satisfied with the results.
      What size do I need for Ikamper skycamp 3.0 to replace the mattress that came with the Ikamper?
      For the iKamper Skycamp 3.0, I recommend the HEST Dually Long mattress. It will fit inside and close if you swap out the stock mattress. However, if you want to use the full space, you can add a 25" Foamy, which will need to be rolled up and stored outside the tent when not in use.
      Do you make custom cushions?
      We currently do not make any custom sizes.