Pure2Improve Pure2Improve Sprintsac - Black One Size

Want more resistance in every stride? The Pure2Improve Sprintsac drags behind you on an adjustable cord, loading up to 15 kg across three sandbags. It's made from smooth material with rounded corners that keeps it sliding, not snagging. **Product Highlights** ??? Three 5 kg sandbags stack up to 15 kg of drag, or part-fill them to ease the load (sand not included) ??? Each sandbag uses Velcro closures, making resistance adjustments straightforward ??? Velcro waistband sets to your size, while the cord shortens or lengthens to fix your pulling distance ??? Lower body loading builds speed and endurance session by session **Best For** ??? Solo sessions in the sports hall or out on the track, with no fixed equipment needed ??? Pre season conditioning for footballers and rugby players chasing sharper acceleration ??? Beginners starting light and trained athletes working up to the full load