Nectar Sleep is one of the best lightweight king size mattresses on the market, and for good reason. This mattress is not only incredibly comfortable, but it is also made with high-quality materials that are designed to provide you with a restful night's sleep. The Nectar Sleep Mattress is a memory foam mattress, and it is designed to provide you with optimal support and pressure relief. It is also designed to keep you cool throughout the night, so you can sleep comfortably without waking up hot and sweaty.1. Nectar Sleep Mattress
Tuft & Needle is another top contender for the best lightweight king size mattress. This mattress is made with a proprietary foam that is designed to provide you with the perfect balance of comfort and support. The Tuft & Needle Mattress is also designed to be breathable, so you can sleep comfortably without feeling overheated. Additionally, this mattress comes with a 100-night trial period, so you can test it out and make sure it is the right fit for you.2. Tuft & Needle Mattress
Casper is a well-known brand in the mattress industry, and their Original Mattress is a top choice for those looking for a lightweight king size option. This mattress is made with a unique combination of foams, including memory foam and zoned support foam, which work together to provide you with the perfect balance of comfort and support. The Casper Original Mattress is also designed to promote airflow, keeping you cool and comfortable throughout the night.3. Casper Original Mattress
Leesa offers a hybrid option for those looking for a lightweight king size mattress. The Leesa Hybrid Mattress combines memory foam and pocket springs to provide you with the ultimate comfort and support. This mattress is also designed with a cooling top layer to help regulate your body temperature as you sleep. Plus, with a 100-night trial period and a 10-year warranty, you can rest assured that you are getting a high-quality and durable mattress.4. Leesa Hybrid Mattress
Purple is a popular brand for those who are looking for a unique and innovative mattress. The Purple Mattress is made with a special grid-like material that is designed to adapt to your body and provide targeted support where you need it most. This mattress is also designed to be breathable and promote airflow, so you can sleep comfortably without waking up hot and sweaty. Plus, with a 100-night trial period and a 10-year warranty, you can try out this mattress risk-free.5. Purple Mattress
Helix offers a wide range of mattress options, but their Midnight Mattress is ideal for those looking for a lightweight king size option. This mattress is made with a combination of memory foam and pocket springs, which work together to provide you with the perfect balance of comfort and support. The Helix Midnight Mattress is also designed to be breathable and promote airflow, so you can sleep comfortably without feeling hot and stuffy.6. Helix Midnight Mattress
Layla is known for their high-quality memory foam mattresses, and their Memory Foam Mattress is no exception. This mattress is made with a copper-infused memory foam layer, which not only provides support and pressure relief, but also has cooling properties to keep you comfortable throughout the night. The Layla Memory Foam Mattress is also designed to be flippable, with a soft and firm side, so you can choose the level of comfort that works best for you.7. Layla Memory Foam Mattress
Saatva is a luxury brand that offers a variety of mattress options, including their Classic Mattress. This mattress is made with a combination of memory foam and innerspring coils, which work together to provide you with the perfect balance of comfort and support. The Saatva Classic Mattress is also designed with a Euro pillow top for added comfort, and it comes with a 180-night trial period and a 15-year warranty.8. Saatva Classic Mattress
Brooklyn Bedding offers a Signature Mattress that is perfect for those looking for a lightweight king size option. This mattress is made with a combination of foam layers, including a cooling gel foam layer, to provide you with optimal comfort and support. The Brooklyn Bedding Signature Mattress is also designed with a reinforced edge for better edge support, and it comes with a 120-night trial period and a 10-year warranty.9. Brooklyn Bedding Signature Mattress
Avocado is known for their eco-friendly and organic mattresses, and their Green Mattress is a great option for those looking for a lightweight king size option. This mattress is made with natural latex and pocketed coils, which work together to provide you with superior support and comfort. The Avocado Green Mattress is also designed with organic cotton and wool for added breathability and temperature regulation, and it comes with a 1-year trial period and a 25-year warranty.10. Avocado Green Mattress