1 10

AmazonBasics

Amazon Basics Breathable Memory Foam Mattress, Medium Firm, 12 Inch, California King, White/Grey

Amazon Basics Breathable Memory Foam Mattress, Medium Firm, 12 Inch, California King, White/Grey

$539.81 USD
$539.81 USD
Sale Sold out
Shipping calculated at checkout.

About This

  • 💕Firm-feeling : Our Amazon Basics 12 inch gel memory foam mattress cal king size includes 3 inches of gel memory foam, 2 inches of comfort support foam and 7 inches of flex comfort foam for a medium firm feel. This cal king bed mattress conforms to different sleep positions and is ideal for side, back and stomach sleepers, providing you with comfortable and cloud-like sleep.
  • 💕Certified Safe: Crafted with high-quality CertiPUR-US certified foams and an OEKO-TEX Standard 100 certified mattress cover, ensuring this medium firm cal king mattress 12 inch is free from harmful chemicals. Additionally, thanks to the wave-shaped support layer in the middle providing airflow, offering you and your loved ones a safer and healthier sleep.
  • 💕Pressure-Relieving: Cooling gel-infused memory foam conforms to our body curves perfectly, distributes the body weight evenly and reduces pressure points on our shoulders, spine and hips. This 12 inch cal king mattress meidum firm feeling allows you to relax from head to toe after a long and busy day of work and study.
  • 💕Excellent Quality: This breathable and comfortable memory foam Amazon Basics mattress cover is made of premium knitted fabrics, providing excellent comfort and durability. Equipped with the premium zipper at the bottom, this mattress cover can be easily removed for daily cleaning, allowing you to enjoy a refreshing night's sleep.
  • 💕Easy Installation: Our gel memory foam mattress in a box cal king size is compressed and rolled into a box for easy transportation through hallways and elevators. Simply follow the instructions for easy setup and witness the magical moment of rebounding. This mattress is compatible with most kinds of cal king bed bases and frames, even use it on the floor bed, perfect for bedrooms, guest rooms and dorm rooms.
  • 💕General Note: Please allow 72 hours for this cal king size mattress to regain its full shape and for any potential odor to dissipate. Tapping, walking and jumping with your family member on the mattress can speed up the awakening process and enjoy the fun of family games during this time.

Overview

  • Brand : Amazon Basics
  • Size : California King
  • Product Dimensions : 84"L x 72"W x 12"Th
  • Item Weight : 73.6 Pounds
  • Item Firmness Description : Medium Firm
  • Top Style : Memory Foam
  • Cover Material : Polyester Blend
  • Number of Layers : 3.0
  • Fill Material : Memory Foam
  • Special Feature : Pressure Relief
View full details

What Our Customers Say

Real reviews from real customers

S

Sarah M.

Verified

The quality of the bedroom furniture exceeded my expectations. The mattress is incredibly comfortable and has improved my sleep quality significantly.

May 15, 2026
J

James K.

Verified

Absolutely love my new bed frame! It's sturdy, elegant, and fits perfectly in my bedroom. The delivery was fast and assembly was straightforward.

May 10, 2026
E

Emily R.

Verified

The pillows are a game changer! They provide the perfect support and I wake up without any neck pain. Highly recommend Soft Frame products.

May 8, 2026
M

Michael T.

Verified

Outstanding customer service and premium quality furniture. The nightstand is beautifully crafted and adds a touch of elegance to my bedroom.

May 5, 2026

Soft Frame


“From restful sleep to everyday living, every detail matters—explore, discover, and transform your bedroom into a space of comfort.”

over view

Frequently Asked Questions

Our products are crafted with love and attention to detail, ensuring the highest quality for our customers.

We typically ship within 2–3 business days, and delivery usually takes 3–8 business days depending on your location. Some products may take longer to arrive. If there are any delays, we will notify you by email.

We offer a 30-day return policy for all unused items in their original packaging. Customer satisfaction is our priority!

We currently ship within the United States only. Unfortunately, we are unable to ship to other countries at this time.

Blogs

View all
1 3
View all