The sports therapy adjustable mattress is castellated on both sides which enhances ventilation and makes it perfect for use on an adjustable bed frame the air flow technology in the mattress works in harmony with the breathable mesh border to ensure excellent all round ventilation and aiding recovery after exercise the mattress is covered in a soft knit breathable fabric and treated with bug guard which eliminates dust mites and bed bugs helping allergy sufferers sleep betterchoose from fou