


Get explosive leg drive and stride frequency with the SKLZ® SpeedSac™, a weighted training sled designed for hard-core athletes. The variable weight ranges safely strengthen lower body-muscle groups by providing options for increased resistance training; athletes can remove the bags and use their handles to execute lunge walks for additional hamstring and quadriceps strengthening.
TrustPilot
3 周前
5天前
2 周前
1 周前