and the other has a combination of wire and nylon bristles

Moderate transverse and longitudinal arch support

Vibram (#430) Oil Resisting Rubber Washer Heel - One Pair

The Ergo grip strength system comes with three grips in different resistance levels

Vibram Sole Factor #1249 Mister Tank Sole - One Pair

Pedag Kid’s Leather Insoles #PEDKIDL - One Pair Size:32/3 and the other has aPedag Kids Leather Insoles #PEDKIDL One Pair Flat leather insole for children: This naturally tanned, high quality leather insole allows the foot to breathe while it absorbs sweat and humidity. This keeps sweaty little feet comfortable and prolongs the life of the shoes. The highly effective, activated carbon filter absorbs odor. Cushioning leather insoles for children Breathable and extra thin Helps prevent odor in childrens shoes