Speed Sac
Build explosive leg drive and speed right of the blocks with the SpeedSacImprove 40-yard dash times, overall speed and explosivenessStrengthen lower-body muscle groupsAdjust weight options for variable weight resistanceIncludes 3 durable weight bags that can each be filled with up to 10 lbs of sand (30 lbs total)Adjustable leash length to accommodate athletes of any size

Description
Build explosive leg drive and speed right of the blocks with the SpeedSacImprove 40-yard dash times, overall speed and explosivenessStrengthen lower-body muscle groupsAdjust weight options for variable weight resistanceIncludes 3 durable weight bags that can each be filled with up to 10 lbs of sand (30 lbs total)Adjustable leash length to accommodate athletes of any size




















