< Topic >Give the permeability and the moisture desorption characteristics which are superior in the region which contacts with the body, in addition, the mattress which is placed on the bottom bed for medical nursing which exchange can clean the mattress easily is offered.SolutionsMattress 1, mainly 3D web formation includes with cool feeling fiber formation, and moisture absorption and either of sweat absorption fiber formation or possesses both function the surface formation 12 which, spread on 10 and 3D web formation 10 furthermore joins with the bottom bed simultaneously around mattress and 1 can provide the skirt section 11 which can be locked.< Choice figure >Drawing 1【課題】体と接触している部位に優れた通気性、放湿性を持たせ、また、マットレスを容易に交換と洗浄できる医療介護用ボトムベッドの上に載せるマットレスを提供する。【解決手段】マットレス1は、主に3D織物層10と、3D織物層10の上に敷く涼感繊維層、及び、吸湿と吸汗繊維層のいずれか又は両方の機能を有する表面層12とを含み、同時に更にマットレス1の周囲にボトムベッドと結合して固定できるスカート部11が設けられる。【選択図】図1