Kingsdown® Mattresses and Boxsprings
Kingsdown is one of North America's oldest mattress makers, handcrafting sleep sets since 1904. With over a century of expertise and sleep-science-driven design, Kingsdown mattresses deliver tailored support and premium comfort built to last.
Shop the Kingsdown Dream Green collection at National Mattress — 8 mattress models in Single/Twin through King sizes, with profiles from 13.5" to 16.5". Choose firm or plush comfort in tight top and Euro top designs, and complete your sleep set with matching low-profile 5" or high-profile 9" boxsprings, including split Queen and King options. Every Kingsdown mattress ships free across Canada with a 365-night sleep trial, price match guarantee, and full manufacturer warranty coverage.
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Product Type
Express Shipping- KINGSDOWN® Boxspring - High Profile 9"
LIMITED STOCK 
NEW ARRIVAL 
- 9″ High Profile Foundation
- Solid Wood Frame Construction
- Non-Skid Top Surface
- Non-Quilted Vented Fabric
- 10 Year Warranty
- Made In Woodbridge, Canada
Single/Twin SOLD OUTTwin XL SOLD OUTDouble/Full SOLD OUTQueen SOLD OUTCompare at $799Queen Split SOLD OUTKing Split SOLD OUT
Out Of StockOn Display:
- KINGSDOWN® Boxspring - Low Profile 5" LIMITED STOCK NEW ARRIVAL
- Solid Wood Frame Foundation
- 5″ Low Profile Height
- Vented Non-Quilted Fabric
- Non-Slip Top Surface
- 10 Year Warranty
- Made In Woodbridge, Canada
Single/Twin SOLD OUTTwin XL SOLD OUTDouble/Full SOLD OUTQueen SOLD OUTCompare at $799Queen Split SOLD OUTKing Split SOLD OUT Out Of StockOn Display:
- KINGSDOWN® Dream Green 13.5" Firm Tight Top Mattress LIMITED STOCK NEW ARRIVAL
- 1,236 Pocket Coil Support Core
- Tencel™ Blend Fabric Cover
- 13.5″ Tight Top Profile
- 22oz Joma Wool® Comfort Layer
- Firm Latex & Firm Foam
- 10 Year Warranty
- Made In Woodbridge, Canada
Single/Twin SOLD OUTTwin XL SOLD OUTDouble/Full SOLD OUTQueen SOLD OUTCompare at $3,099King SOLD OUT Out Of StockOn Display:
- KINGSDOWN® Dream Green 13.5" Plush Tight Top Mattress LIMITED STOCK NEW ARRIVAL
- KINGSDOWN® Dream Green 16.5" Firm Euro Top Mattress LIMITED STOCK NEW ARRIVAL
- 1,436 Individually Wrapped Coils
- 16.5″ Hand-Tufted Euro Top
- Tencel™ Blend & Cotton
- 22oz Joma Wool® Comfort Layer
- 2″ Firm Latex Over Firm Foam
- 10 Year Warranty
- Made In Woodbridge, Canada
Single/Twin SOLD OUTTwin XL SOLD OUTDouble/Full SOLD OUTQueen SOLD OUTCompare at $4,899King SOLD OUT Out Of StockOn Display:
- KINGSDOWN® Dream Green 16.5" Plush Euro Top Mattress LIMITED STOCK NEW ARRIVAL
- 1,436 Individually Wrapped Coils
- Full Body Surround® Encasement
- 16.5″ Hand-Tufted Euro Top
- Plush Micro Gel & Hybrid Latex
- 2″ Plush Latex Over Plush Foam
- 10 Year Warranty
- Made In Woodbridge, Canada
Single/Twin SOLD OUTTwin XL SOLD OUTDouble/Full SOLD OUTQueen SOLD OUTCompare at $4,899King SOLD OUT Out Of StockOn Display:
- KINGSDOWN® Dream Green 14.5" Firm Euro Top Mattress LIMITED STOCK NEW ARRIVAL
- 1,236 Individually Wrapped Pocket Coils
- 14.5″ Euro Top Cushion
- Tencel™ Blend Fabric Cover
- Hybrid Latex & Plush Micro Gel
- Firm Foam & Firm Latex
- 10 Year Warranty
- Made In Woodbridge, Canada
Single/Twin SOLD OUTTwin XL SOLD OUTDouble/Full SOLD OUTQueen SOLD OUTCompare at $3,499King SOLD OUT Out Of StockOn Display:
- KINGSDOWN® Dream Green 14.5" Plush Euro Top Mattress LIMITED STOCK NEW ARRIVAL
- 1,236 Individually Wrapped Pocket Coils
- Posturized Centre Third
- 14.5″ Euro Top Cushion
- 22oz Joma Wool® Quilt
- Plush Latex & Plush Foam
- 10 Year Warranty
- Made In Woodbridge, Canada
Single/Twin SOLD OUTTwin XL SOLD OUTDouble/Full SOLD OUTQueen SOLD OUTCompare at $3,499King SOLD OUT Out Of StockOn Display:
- KINGSDOWN® Dream Green 14.5" Firm Tight Top Mattress LIMITED STOCK NEW ARRIVAL
- KINGSDOWN® Dream Green 14.5" Plush Tight Top Mattress LIMITED STOCK NEW ARRIVAL
Upgrade your sleep at National Mattress
Discover a mattress that transforms your sleep into a truly rejuvenating experience. We offer a wide variety of options to suit every sleep style and preference, ensuring a better night's sleep.
Why Choose Us?
- Variety: From plush to firm, we have options for every body type and sleep style.
- Quality: Trusted brands and top-notch materials for long-lasting comfort.
- Sleep Trials & Warranties: Enjoy peace of mind with flexible trials and warranties.
- Expert Advice: Get personalized recommendations from our sleep specialists.
Mattress Selection Includes
- Memory Foam: Contours to your body for personalized comfort and pressure relief.
- Hybrid: Combines responsive springs with foam for balanced support and comfort.
- Innerspring: Provides firm support, bounce, and cooling airflow.
- Latex: Hypoallergenic, eco-friendly, and exceptionally comfortable.
- Adjustable Beds: Customize your sleep position for optimal comfort.
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