Leg Running Resistance tubes Kinetic speed Strength Elasticas band exercise For Athletes Football basketball players. Features: Fitness Enthusiasts of all fitness levels; Martial Artists / Boxers / Muay Thai / MMA Fighters; Track & Field Athletes; Team Sports Athletes engaged in sports such as: Soccer, Basketball, Football, Baseball, Softball, Cricket, Rugby etc..; Individual Sports Athletes engaged in sports such as: Tennis, Gymnastics, Cycling, Track & Field, Martial Arts etc..; Run Faster; Increase Sprint Speed; Fast Acceleration; Explosive Change of Direction; Advanced Athletic Performance; Specification: leg Trainer Tension: RED Resistance Bands (Light) - 10lbs / 4.5kg; GREEN Resistance Bands (Medium) - 20lbs / 9.1kg; Mini bands Tension: 60cm(Circumference) *5cm(Width) *0.45mm(Thickness); 60cm(Circumference) *5cm(Width) *0.6mm (Thickness); 60cm(Circumference) *5cm(Width) *0.8mm (Thickness); Department Name: Unisex; Function: Legs; Application: Pull Rope; Type: leg Trainer; Function: Speed Strength training; Material: Latex Rubber; Perfect for: Leg Sports;