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Ships within 48 hours · Estimated delivery Aug 25 - Aug 30
Self-Sealing Cap
reduces the shoe's weight
alloy steerer and alloy dropouts
Material: 100% cotton
Speed Sac Watches Self-Sealing CapBuild 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
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