Lined: 5mm memory foam + 1cm high resilience spong + 5mm EPE cushion offer enough support to reduce foot stress
Sturdy bottoms:High quality TPR rubber sole anti-slip suitable for daily occasions
Easy slip on or take off.we recommend you select one size larger than you normally wear because of the heel collar design
They are more for indoor use. They do have canvas bottoms that would be okay for walking to the mailbox or some quick outdoor activity but definitely not for prolonged outdoorsy-ness.