SKLZ SpeedSac Sprint Trainer Europallet Cool-X Cold Gel Roll -

Cool-X Cold Gel Roll - On kan je ook gebruiken bij:

Door de lengte van 170 cm is de bokszak perfect geschikt voor zowel stoten

Adjustable in 2 positions

allowing you to fully concentrate on perfecting your shot

SKLZ SpeedSac Sprint Trainer Europallet Cool-X Cold Gel Roll -The SKLZ SpeedSac Sprint Trainer puts your opponents at a disadvantage! Is your speed sometimes a game breaker during a match too? If you do sometimes run into this, the SKLZ SpeedSac Sprint Trainer is the answer! Using variable resistance (removable weight bags) when sprinting, it makes the lower body stronger and increases explosive power. This simply means: start faster and sprint harder! The SKLZ SpeedSac The weight bag by SKLZ has three separate