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SKLZ SpeedSac, Variable Weight Sprint Trainer

4.5 out of 5 stars 2 customer reviews

List Price: CDN$ 129.99
Price: CDN$ 82.97 & FREE Shipping. Details
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  • Improve 40-yard dash times, overall speed and explosiveness
  • Strengthen lower-body muscle groups
  • Adjust weight options for variable weight resistance
  • Includes 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

Frequently Bought Together

  • SKLZ SpeedSac, Variable Weight Sprint Trainer
  • +
  • SKLZ Quick Flat Rung Agility Ladder
Total price: CDN$ 122.96
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Product Information

Technical Details
Item Weight3.1 Kg
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
Customer Reviews 4.5 out of 5 stars 2 customer reviews
Best Sellers Rank #30,188 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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Customer Reviews

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Top Customer Reviews

Verified Purchase
Works great!!! The ropes are strong enough to hold the weight. Don't need to use sand bags, i put small weight plates in.
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Verified Purchase
Great item!!!!
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Most Helpful Customer Reviews on (beta) HASH(0xb3f0cfe4) out of 5 stars 116 reviews
31 of 33 people found the following review helpful
HASH(0xb2bdd5e8) out of 5 stars 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.
8 of 8 people found the following review helpful
HASH(0xb2bdd810) out of 5 stars 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 7 people found the following review helpful
HASH(0xb2be2150) out of 5 stars 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.
6 of 8 people found the following review helpful
HASH(0xb2bddda4) out of 5 stars 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.
1 of 1 people found the following review helpful
HASH(0xb2be2498) out of 5 stars Worth the Buy! Nov. 23 2013
By Hector Davila - Published on
Verified Purchase
The item is portable and versatile, so you are able to carry with it any where you go. Not only can you use it to pull and put various different weights inside, but the sand bags has handles so you can do lunges and various other exercises as well. Doing your training on the grass, the pulling action is very smooth and easy. Even though the plastic appears to be very durable, I am not sure if using it on a track will it have the capability to last without wearing out, that is why the 4 star. But for the price, is worth every penny for any age.