Avenco King Size Mattress - 10 Inch Hybrid Mattress in a Box with Smarts™ Coil, Gel Memory Foam, Medium Firm Support, Cool Night Sleep, Pressure Relief, CertiPUR-US Certified
200.36$
In stock
- Cool gel memory foam for comfort
- Hybrid design with Smarts™ coil support
- Medium firm feel for pressure relief
- CertiPUR-US certified for safety
- King size fits standard bed frames
Avenco King Size Mattress, 10 Inch King Mattress in a Box Review
The Avenco King Size Mattress is a 10-inch hybrid mattress designed for sleepers seeking balanced support and temperature regulation. It combines individually wrapped SmartS coils with a NanoGel-infused memory foam comfort layer, aiming to reduce pressure points and promote airflow. The mattress arrives compressed in a box for easy setup and expands to its full size within 48–72 hours. With reinforced edges and low motion transfer, it targets couples and individuals who value stability and minimal sleep disturbance. CertiPUR-US certified foams and a 10-year warranty provide assurance of material safety and durability. This model suits those preferring a medium-firm feel with adaptive support, though initial firmness may vary based on body weight and sleep position.
Product Overview
The Avenco King Size Mattress measures 79.92 inches long by 75.98 inches wide by 10 inches thick, fitting standard U.S. king bed frames. It weighs 80.36 pounds and features a grey Euro top style. The four-layer construction includes a NanoGel memory foam top layer for cooling, followed by pocketed coils for support, and base foams for stability. The SmartS coil system uses individually wrapped springs to contour to the body and isolate motion. Reinforced edges enhance the usable sleep surface and prevent sagging. The mattress is not portable, foldable, or customizable. It arrives vacuum-sealed in a box, requiring unboxing and placement on a supportive foundation. Full expansion takes up to 72 hours, during which off-gassing may occur. The product is intended for adults and emphasizes benefits like back pain relief, improved sleep, and stress reduction. Care involves regular rotation and using a mattress protector to maintain hygiene.
Key Features
SmartS Coil Support System
- ✓Individually wrapped pocket springs adapt to body shape for balanced support
- ✓Reduces pressure on shoulders, hips, and back by contouring to curves
- ✓Minimizes motion transfer to prevent sleep disturbance from partner movement
Cooling NanoGel Memory Foam
- ✓Gel-infused foam layer draws heat away from the body for temperature regulation
- ✓Promotes airflow to maintain a cool sleeping surface throughout the night
- ✓Enhances comfort by reducing heat buildup common in traditional memory foam
Reinforced Edge Stability
- ✓Strengthened edges provide a larger usable sleep surface for spreading out
- ✓Prevents sagging when sitting or lying near the sides, improving durability
- ✓Supports better edge-to-edge comfort for consistent feel across the mattress
Low Motion Transfer Design
- ✓Pocketed coils work independently to absorb and isolate movement
- ✓Reduces sleep disruption when a partner shifts or gets in and out of bed
- ✓Ideal for couples or light sleepers who need undisturbed rest
CertiPUR-US Certified Materials
- ✓Foams are certified for content, emissions, and durability standards
- ✓Ensures low VOC emissions for better indoor air quality and safety
- ✓Backed by a 10-year warranty for long-term reliability and peace of mind
Convenient Box Delivery
- ✓Arrives vacuum-packed in a box for easy handling and setup in any room
- ✓Expands to full size within 48–72 hours after unboxing
- ✓Simplifies delivery and reduces shipping costs compared to traditional mattresses
Medium Firmness Profile
- ✓Designed as medium firm to balance support and pressure relief for most sleepers
- ✓Euro top style adds a plush surface layer for initial comfort
- ✓Targets back pain relief and stress reduction through adaptive support
Breathable Construction
- ✓Layered design promotes airflow to prevent heat retention during sleep
- ✓Helps maintain a dry and comfortable sleep environment year-round
- ✓Combines with gel foam to enhance cooling performance for hot sleepers
Design & Build
The Avenco King Size Mattress features a 10-inch hybrid construction with four distinct layers. The top layer is a NanoGel-infused memory foam designed to provide cooling and pressure relief. Below this, the SmartS coil system consists of individually wrapped pocket springs that adapt to body contours and reduce motion transfer. The base layers include supportive foams that stabilize the mattress and reinforce the edges. The grey Euro top adds a plush surface for initial comfort, while the overall design emphasizes breathability and durability. The mattress is not foldable or portable, requiring a permanent setup on a suitable foundation like a platform bed or adjustable base. Cleaning involves using a mattress protector and occasional rotation to maintain even wear. The materials are CertiPUR-US certified, ensuring they meet standards for content, emissions, and performance.
Build quality focuses on reinforced edges to prevent sagging and extend the usable sleep surface. The pocketed coils are arranged to provide zoned support, targeting pressure points in the shoulders, hips, and back. The gel memory foam layer is relatively thin, which some reviewers note may affect plushness. The mattress expands from its compressed state within 48–72 hours, during which off-gassing may occur, though this typically dissipates. Aesthetics are minimal with a grey cover, fitting most bedroom decors. The 80.36-pound weight makes it manageable for two people to position. The 10-year warranty covers defects in materials and workmanship, reflecting confidence in long-term durability. Regular maintenance includes avoiding liquid spills and using a supportive foundation to prevent premature wear.
Performance
The Avenco mattress performs as a medium-firm hybrid with adaptive support from its pocketed coils. The SmartS coil system contours to body shape, aiming to reduce pressure points and provide balanced support. However, some reviewers report feeling individual springs, which can be uncomfortable. The gel memory foam layer is designed for cooling, drawing heat away and promoting airflow to maintain a comfortable sleep temperature. Motion isolation is effective due to the independently working coils, minimizing disturbance from partner movement. Edge support is reinforced, offering stability when sitting or lying near the sides. The mattress may feel firmer than expected for some users, potentially leading to initial discomfort like sore back or neck, as noted in reviews. It requires a break-in period for the materials to soften and conform fully.
Temperature regulation benefits from the breathable construction and gel infusion, helping hot sleepers stay cooler. The low motion transfer design is beneficial for couples, though individual experiences vary based on weight and movement. Durability is supported by the 10-year warranty, but long-term performance depends on proper care and foundation support. The mattress may have a chemical smell upon unboxing, which typically fades within a few days. It is not customizable, so firmness cannot be adjusted after purchase. Overall, it targets sleepers seeking pressure relief and cool sleep, but those preferring a plusher feel might find it too firm. Performance trade-offs include potential initial firmness and thin foam layer, which could affect comfort for side sleepers or lighter individuals.
Pros and Cons
Pros
- ✓Individually wrapped coils adapt to body shape for personalized support
- ✓Gel-infused memory foam helps regulate temperature for cooler sleep
- ✓Reinforced edges prevent sagging and increase usable sleep surface
- ✓Low motion transfer minimizes sleep disturbance from partner movement
- ✓CertiPUR-US certified foams ensure safety and low emissions
- ✓Arrives in a box for easy delivery and setup in any room
- ✓10-year warranty provides long-term reliability assurance
- ✓Euro top style adds a plush surface layer for initial comfort
- ✓Breathable construction promotes airflow to reduce heat retention
- ✓Targets pressure relief for back, shoulders, and hips
Cons
- ✗Some reviewers find it very firm, not medium firm as described
- ✗Thin foam layer may not provide enough cushioning for some sleepers
- ✗Individual springs can be felt, causing discomfort for certain users
- ✗Chemical smell upon unboxing may require time to dissipate
- ✗Initial sleep may lead to sore back or neck during break-in period
- ✗Not customizable, so firmness cannot be adjusted after purchase
- ✗May not suit those preferring a softer or plusher mattress feel
- ✗Requires 48–72 hours for full expansion, delaying immediate use
- ✗Heavy at 80.36 pounds, making repositioning difficult alone
- ✗Limited review data available, with only one review noted
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