nanjiren fever lengthened knee pad cold-proof warm joint pain hot compress old cold legs men and women elderly periostis

black extended style [front and rear automatic heating]] lengthened gray [front and rear automatic heating]] black extended style [front and rear argy wormwood heating]] lengthened gray [front and rear argy wormwood heating]] black [mild self-heating design]] gray [mild self-heating design]] skin color [mild self-heating design]] black [ordinary warm]] gray [ordinary warm]] skin color [ordinary warm]] lengthened skin color [automatic heating before and after]]

s (80-105) kg m(106-135) kg l(136-160) kg xl(161-180) kg xxl(181-200) kg