An exercise device includes a footwear part, a brace part and at least one resistance band. The footwear part has a foot receiving portion configured to receive a front portion of a user's foot. The brace part is configured to be releasably attached to a knee area of the user. The at least one resistance band is configured to be releasably secured at opposite ends thereof to the footwear part and brace part, respectively. The exercise device can be used, among other things, for conditioning and strengthening, for aerobic exercises, and to help individuals maintain proper foot placement throughout an entire exercise and improve their form by helping them stay on their forefoot when performing an exercise dealing with brisk walking or running.