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SKLZ SpeedSac, Variable Weight Sprint Trainer


List Price: CDN$ 129.99
Price: CDN$ 84.95 & FREE Shipping. Details
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  • Loaded sprint training develops the gluteus muscle group, hamstrings, quadriceps and the calf muscles
  • The Safe Sled provides you with variable weight options for increased resistance
  • Similar training to the conventional metal sleds without any of the inconveniences
  • Made of low density materials 100-Percent safe
  • Includes 1 durable internal weight bag that can be filled with up to 40 lbs of sand, easy to store
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  • SKLZ SpeedSac, Variable Weight Sprint Trainer
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Total price: CDN$ 119.28
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Product Information

Technical Details
Item Weight454 g
Product Dimensions35.6 x 12.7 x 32 cm
Item model numberSAQ-SS01-02
Height12.6 inches
Length14 inches
Weight3.1 kilograms
Width5 inches
Number of Items1
Batteries Included?No
Brand NameSKLZ
Additional Information
Best Sellers Rank #20,245 in Sports & Outdoors (See top 100)
Shipping Weight3 Kg
Date First AvailableJuly 6 2012
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Product Description

Build explosive leg drive out of the blocks with the SpeedSac. This variable weight sled allows you to strengthen your lower body muscles by resistance training similar to metal sleds.?With removable weights, the SpeedSac allows you to adjust the towing resistance. You can also use the handles on the bags to perform various upper and lower body exercises such as lunges or front raises.

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Most Helpful Customer Reviews on (beta) 109 reviews
27 of 29 people found the following review helpful
Great speed training drill that fits most March 23 2012
By E. Lambeth - Published on
Verified Purchase
I've got a skinny six year old who weighs under 50 and he's nothing but knees and elbows. I also have an 8 year old that's 81 lbs and built like a brick s&^thouse. The waist band around the speed sac accommodates both (although is more acclimated to fit my bigger boy).

The outside of the speed sac is durable, like a tough rubber mat that you'd put in your pickup. The velcro for the belt does it's job perfectly. The loop joining the bag and belt is big and solid, and the hook mechanism to hold the three 10 lb sand sacks is more than adequate. Nothing is falling out of this.

Strap the belt on you, walk up to the line, then go. For my boys, I use 20 lbs for my 8 year old and either 10 lbs or nothing for my youngest. The bag is heavy enough for a little sprout that you don't necessarily needs lbs of resistance.

Like other SKLZ products, this one comes with a workout poster. One one side, a poster with recommended drills for only the speed sack (number of reps, distance, etc) in a 6 week format. On the other size, a 6 week workout program that combines the speed sac with other SKLZ products (such as the speed hurdles, quick ladder, viper 360, etc.), and both have beginners/advanced adjustments.

It also comes with a DVD, but the DVD isn't just for the speed sac. The DVD gives demonstration videos for most of its products. Each video clip is around 20-30 seconds in length (speed sac has three videos, if I remember correctly). Each video demonstrates regular speed and slow motions with different angles so you can see and teach proper form.

As for its effectiveness, that'll remain to be seen. But in football, your first step is the most important step. If you can get off the line quickly and keep improving that quickness, you'll improve your game. On the line, first man off the ball should win the battle. This product improves first-step speed and overall speed. It will help you improve your stride, your body lean, and your leg strength.

The three bags, which you have to fill with sand ($4 for a 50 lb bag of sand at OSH), have a handle on one side of the bag so you can carry then down by your side while you're performing walking lunges. Great way to wrap up some 5 x 15 yd runs.
7 of 7 people found the following review helpful
Review from a PT: Excellent DIY Sled Trainer June 24 2013
By B. Junkin-Mills - Published on
Vine Customer Review of Free Product
I'm a physical therapist and also the mother of a 3 sport varsity athlete (cross-country, wrestling, lacrosse). Obviously my son needs strength, speed, and endurance for all 3 sports - but in lacrosse he also needs explosive off-the-line speed and "quick feet". He has done some sled training in the school gym to this end, and I was very happy to get this 'home version' sled trainer for summer workouts.

+ A sled trainer or 'sprint trainer' to increase power and speed. There is a sturdy rubberized 'sled' (the sac) that you fill with 1-3 bags of sand (sand not included) for 10 - 30 pounds of resistance. (The bags close with velcro and so far have not leaked.) You put on a belt and clip the attached leash to the sled and you are ready to perform a variety of sprint training drills.
+ The sand bags could also be used for upper body resistance.

- Unless you live in a huge house with long hallways, this isn't really an indoor trainer. The sled is tough and can withstand grass, sticks, etc well.
- This is not, in my opinion, for anyone younger than 12. This is an adult or young adult serious workout tool which is sized and weighted for strong grown or almost-grown athletes. Children younger than 12 should not be using resistance (except body weight) in their workouts; body weight is enough for that age. In my opinion if you want your child to increase their leg strength, have them walk hills, ride a bike, ski, play on the Wii Fit, and do some squats and lunges - the latter ONLY if they are old enough to maintain proper form.
- Yes a byproduct of a sled workout is an increase in lower body strength - but it's not like this is a weight machine. It's not for building so much as for improving power (and therefore speed) and endurance.
- In my opinion, this is not for the novice exerciser; it's important to use with good form and to understand how to use it.

+ Very tough sled/sac appropriate for outdoor use
+ Tough sandbags with strong closures
+ Adjustable leash; you need this for proper form
+ Wide comfortable belt with strong clip
+ Workout sheet and product DVD

+ Forward (linear) sprints
+ Light plyometrics such as power skips
+ Backwards run
+ Lateral shuffle
+ Sandbags can be used as dumbbells

In my opinion, both as a PT and as the mom of an athlete, this is a very well-made product that, if used correctly, will allow you to improve your power, speed, and endurance without going to the gym / personal trainer.
6 of 6 people found the following review helpful
Very Useful Nov. 21 2012
By K. Snavely - Published on
Verified Purchase
Works well for a wide age range. Easy to use and durable. Easy to adjust weight. Easy to transport with one hand. Great product.
2 of 2 people found the following review helpful
Very pleased Aug. 19 2012
By JHoll - Published on
Verified Purchase
Received the product a few days ago and it was exactly as it was described. I'm quite pleased. I tried it out yesterday and was quite impressed with its capabilities. I did side lateral exercises along with sprints and could really feel the burn as I did it with and without the SpeedSac. I can't wait to try it out on my clients. I think it's going to be a useful tool for speed and agility training. Great deal for the price.
6 of 8 people found the following review helpful
A Must Have for Serious Sprinters Dec 29 2012
By xxatti - Published on
Verified Purchase
This product is great. I use it every week in my training and I can honestly say that it's one of the things that's allowed me to see the most improvements in my sprinting the fastest. The best thing about it is that it's portable and durable. For people like me that train alone most of the time, it's the perfect accessory because you can use it all by yourself. It comes with 3 bags, but I think you could squeeze up to 5 in there if need be. I can't recommend this enough for people who really want to improve their sprinting.