See it doesnt have any direct connection between obese and shoes, but still if someone has weight , then the pressure comes on your legs and foots so you need better grip, soal and comfort. i advice if you have money then buy some adidas or nike running gym shoes with soal of grip and if you cant buy that high , just buy puma running shoes, i use them for more than 5 years , they are so light weighted but still powerfull and are best for cardio and gym.