Looks a and price Density of the mat!
Foam not dense enough to save floor when running on treadmill unless you put something under the mat. Ok for walking!Brand's answer :
Thanks to give us your feedback for Domyos Training Mat. I'm sorry that that mat doesn't follow your expectations. I will send your feedback to the product manager in order to check the issue of density and create a better product.
Don t forget you can claim a total refund or a product change in your nearest Decathlon store
Nicola Barnabo Fitness Market Manager DECATHLON