For sportswear and trousers, it is recommended to choose cotton, not as shiny as silk, which does not absorb sweat, and sweating is particularly uncomfortable.

Sports shoes, I suggest buying jogging shoes, because you say you are fat. If you want to lose weight, you must do aerobic exercise for several months first. Do aerobic exercise, run and jump more, and buy jogging shoes.

Water cup,

Towels, it is recommended to buy good quality, sweat-absorbent, and can be used on the treadmill.

Shampoo, shower gel, slippers.

Sports bag, everything is on it.

This is very comprehensive.