PROBLEM TO BE SOLVED: To provide boots which are made of a sheet of synthetic resin, having soles and shafts having higher strength and elasticity by their straight, bellows or rib structure.;SOLUTION: A boot 1 made of a sheet of synthetic resin comprises a foot part including a sole 3 and a shaft 2 above the foot part which is made elastic by its straight 2a or bellows structure. The boots are designed to keep the bare feet and body of a wearer warmed in his/her taking a bath in such a way that he/she soaks in a bath tub, washes his/her body with soap, rinses it, soaks in the bath tub again, and gets out of the bathroom after getting warmed, while wearing the boots.;COPYRIGHT: (C)2008,JPO&INPIT
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