Rubber sole Lightweight Walking Shoes: Only weighs about 0.8 lb each pair gym shoes. Soft breathable mesh upper promises comfy feeling,you won’t feel tired even wearing these athletic shoes for a whole day. Memory Foam Insole: The memory foam insole is comfortable to touch,absorbs the impact force in motion, reduces the burden on the body. It feels like you are walking on the clouds. Streamlined Slip-On Look: The Shoelace makes this casual sneakers adjustable for your feet, but the lace up without tongue, more like a slip on tennis shoes, easy to put on and take off. Non-Slip MD Sole: Effectively reduce cushioning force and provide sufficient friction,let each step of your move all relaxed. All-Day Comfort: The padded collar with a soft lining can prevent grinding feet. Both uppers and sole are soft, can bear bend or twist and make you move much freely.