Size : 36-41#
Upper : Velvet
Insole : Velvet
Ousole : TPR
For all the parts that skin can touch , it is velvet ,so it is comfortable and warm
For the outsole , this style use TPR which is anti-slip and durable.
It is not like normal indoor slipper which is very thin outsole , they owns a wedge outsole .
People who wear it can easily go thourgh every place of the house.
A good choice for winter wearing at home