Opinions on different sneaker brands for cardio workouts??
I've been using Sketchers with memory foam to do my treadmill and bike work and to date they've been very comfortable. As of 2 days ago, I'v been getting large blisters on both my heels from walking on the treadmill (not the bike), particularly since I've worked my way up to an 18º incline. My walking (hour a day) is…
