Turn your trainers into an advanced training shoe Key Benefits & Features Adjusts to fit Women's size 5 to Men's size 15 Heavy duty rubber strap wraps around the bottom of shoe 3 weight pockets each hold 1/2 lb. soft weight (1.5 lb per shoe) Shoe Weights are far superior to antiquated ankle weights for walking & specific, short-range training exercises Included Sklz Shoe Weights BONUS Instructional DVD BONUS 6-week workout plan