I would suspect it would be quite difficult to use these for any heavy exercise given they sometimes fall out if I have them in for a brisk walk with my arms really moving. I love the shoes! It is a good quality product! With just a couple of steps, they are perfect. I get 2 or 3 charges on my note 9 before it needs a charge aswell. Email support and got a postmaster response stating the email address is unreachable. However thats what my wallet is for. They run true to size, so if you want them to be baggier Id go a size up. My son loves them for gaming I think UA replaced this version with the ones with the spongy bottoms.