Nike T-Lite

There are many different types of mens trainers available for many different activities. If you are going to be using the gym, then the Nike T-Lite are a great option. They are priced very competitively and provide a really comfortable and supportive shoe.
They are great if you plan on doing cardio based activities or if you are more interested in weightlifting. They are produced by the worlds leading manufacturer of mens trainers and should be on the top of your list if you are looking for a pair of cheap but quality shoes for the gym.
