The American Bedding Isotonic 10" Medium Hybrid Twin Extra Long Mattress balances responsive support and pressure relief for a restful night's sleep. A memory foam comfort layer rests on polyurethane foam and a supportive coil core, combining contouring feel with reliable lift. The breathable cooling cover helps move heat away for a cooler sleep, and the 10-inch profile fits standard frames and works with a box spring, platform, or adjustable base for versatile support. Made in the USA and tuned to a medium comfort level, this mattress suits Twin XL sleepers seeking balanced support and consistent pressure relief.