XLR8 Power Sack Price includes NZ GST $ 149.01 Quantity: Get a quote ← Back to products CODE: SA75 The latest innovation in functional field training for rugby players. Get much more use out of your strength bags and load the Power Sack for an indoor outdoor towing training tool. Resisted Sprinting, Strongman, Power, Strength, Anaerobic Conditioning and Core Strength all in one portable training tool. Enjoy all the advantages of metal sled tow training with none of the disadvantages. Lightweight, safe flexible materials package flat to take up very little space. The safe slide design of the Power Sack suits any surface. Use on everything from artificial turf, wooden gym floors, gym carpet, grass and sand. Easily transport and set up multiple Power Sacks for group training, try doing that with metal sleds. Constructed of heavy duty bonded PVC upper and easy slide rubber mat base held together with rot-proof stitching. All weather. No need to cancel training when it rains. Take your Power Sack anywhere and in any weather conditions without having to worry about expensive weight plates or metals sleds rusting. Even better you can use the sack as a kit bag! Fill the sack with your functional training equipment and turn up to training ready to work. Connecting lead, tow harness and strongman straps sold separately. Caution: Regular use on concrete is not recommended as the base will wear quickly due to friction on rough surfaces. FREE DVD FREE eBook FREE Online Video FREE eDrill Cards Email to a friend Ask a question Hints & Tips Strength Bag Guidelines Tow Speed Training 20-50m : use 10-15kg bags. Tow Explosive Power Training 10-15m : use 20-30kg bags. Crawling 5-20m : use 25-40kg bags. Strongman Pulls and Walking 10-20m : use 25-40kg bags. Using Power Strength Straps.