when it comes to getting a good night's sleep, having right mattress is crucial. this 12 - inch split - top king mattress is a top - quality product that offers a host of features to enhance your sleep experience. cooling phase - change fabric cover is a standout feature. it works to pull heat away from your body, creating a cool and comfortable sleep surface. this is especially beneficial during hot summer nights or for those who tend to sleep hot. 3 - inch copper - memory foam is another highlight. it molds to your body shape, providing excellent relief. you'll feel like you're floating on a cloud as it reduces stress on your joints and muscles. 1 - inch soft transition foam adds a layer of plushness. it helps to smooth out transition between comfort layer and coils, ensuring a more comfortable and supportive sleep. 6 - inch individually wrapped 13 - gauge pocketed coils are designed to provide targeted support. they adapt to your body's curves, keeping your spine in proper alignment throughout night. 12 - gauge reinforced edge coils offer enhanced perimeter stability. you can sit on edge of bed without feeling like it's going to sag. 2 - inch high - density base foam provides long - lasting support. it's built to withstand test of time, so you don't have to worry about mattress losing its shape. split - top design of this king - sized mattress is a great feature for couples. each partner can adjust their head position independently, allowing for personalized comfort. this means you and your partner can both get perfect sleep position. all foam layers are - us , which means they are from harmful chemicals. you can sleep soundly knowing that you're not exposed to any toxins. black and gray color of mattress gives it a modern and stylish look, making it a great addition to any bedroom. with its dimensions of 80 inches in depth, 76 inches in width, and 12 inches in height, it fits perfectly in a king - sized bed frame. package comes in dimensions of 42 inches in depth, 21 inches in width, and 21 inches in height, with a weight of 137.09 lb. setting up this mattress is easy. just unpack it, and it will quickly expand to its full size. you'll be able to enjoy a restful night's sleep in no time. this split - top king mattress is a great investment for anyone looking for a comfortable, supportive, and modern - style mattress.are you in search of a comfortable and high - quality mattress for your bedroom? this 12 - inch split - top king mattress is exactly what you need. cooling phase - change fabric cover on this mattress is a revolutionary feature. it actively dissipates heat, keeping you cool and comfortable throughout night. you'll notice a significant difference in your sleep quality as you won't be bothered by overheating. 3 - inch copper - memory foam is a key component. it conforms to your body, providing excellent relief. this is especially important for those who suffer from back pain or joint discomfort. 1 - inch soft transition foam adds an extra level of comfort. it acts as a buffer between comfort layer and coils, ensuring a smooth and supportive sleep surface. 6 - inch individually wrapped 13 - gauge pocketed coils offer targeted support. they work to keep your spine in proper alignment, which is essential for a sleep. 12 - gauge reinforced edge coils enhance stability of mattress. you can move around on bed without worrying about edges collapsing. 2 - inch high - density base foam provides long - term support. it's designed to maintain its shape over time, so you can enjoy a comfortable sleep for years. split - top design of this king - sized mattress is a great advantage for couples. each partner can adjust their head position according to their own preferences, allowing for a more personalized sleep experience. all