can you put regular weight plates in the bag to increase weight?

We recommend using the included weights that come with this product to assure that it works as desired.

If using on grass will it kill the grass?

No- the SpeedSac will not kill grass.

i live in AZ grass is scarce out here. will this die on pavement/parking lot ? lol

It’s good on grass, astroturf etc. I can’t vouch for pavement, concrete, gravel etc.

My 14 year old son said it easy just Velcro it around ur waist.

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Speed Sac, Variable-Weight Resistance Sled Trainer, Strength Training Equipment, Adjustable Leash & Waist Belt, Black, 4.54-13.6kg

Product ID: 253988265

Details

Brand
SKLZ
Colour
Black /Yellow
Item weight
2.12 kg
Material
Nylon
Sport
Strength

🎽Adjustable leash & waist belt

🔄360° multi-directional training

⚖️4.54-13.6kg variable weight

HK$1840

Duties & taxes included

In stock

Sold byAmazon Hong KongDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Unlock explosive speed and strength with every stride!

COMPLETE TRAINING KIT - Includes speed sac shell, 3 sandbags, leash, and belt—everything you need to dominate.
DURABLE ALL SURFACE DESIGN - Rugged nylon shell built for turf, grass, or wood—train anywhere, anytime.
360 DEGREE MOBILITY TRAINING - Train in any direction to boost agility, speed, and explosive power.
SECURE FIT FOR EVERY ATHLETE - Adjustable leash and waist belt ensure a snug, comfortable fit for all body types.
CUSTOMIZABLE RESISTANCE LEVELS - Easily adjust weight from 4.54 to 13.6kg for tailored strength gains.

The SKLZ Speed Sac is a versatile, variable-weight resistance sled designed to enhance lower-body strength and speed. Featuring three removable sandbags (up to 13.6kg total), a 360-degree belt ring for multi-directional training, and an adjustable leash and waist belt, it offers a customizable and secure workout experience. Built with durable nylon for use on grass, turf, or wood, this trainer is ideal for sprinters, football players, and athletes seeking to elevate their explosiveness and agility.

Specifications

ASIN	B07NTYBBDF
Additional Features	Adjustable
Best Sellers Rank	#83,277 in Sporting Goods ( See Top 100 in Sporting Goods ) #1,422 in Resistance Bands
Brand	SKLZ
Brand Name	SKLZ
Color	Black /Yellow
Colour	Black /Yellow
Country of Publication	China
Customer Reviews	4.5 out of 5 stars 328 Reviews
EU Spare Part Availability Duration	1 Years
Global Trade Identification Number	00849102034175
Included Components	Speed Sac shell, 3 sandbags, adjustable leash and waist belt.
Included components	Speed Sac shell, 3 sandbags, adjustable leash and waist belt.
Item Dimensions L x W	59.7L x 30.5W centimeters
Item Type Name	SKLZ SpeedSac
Item Weight	2.12 kg
Item weight	2.12 kg
Manufacturer	SKLZ
Manufacturer Part Number	3417
Material	Nylon
Material Type	Nylon
Model Name	Sklz Speedsac
Model Number	3417
Number of Resistance Levels	3
Recommended Uses For Product	Workout
Sport	Strength Training
Sport Type	Strength Training
Style Name	Weight Draw
Team Name	Football
Tension Supported	Variable
UPC	849102034175
Warranty Description	1 year manufacturer

Reviews

J**M

Excellent

This is great. No complaints at all. I use it for ice hockey, basketball and lacrosse

15.04.2026

A**O

Buena compra

Muy buen resultado por el precio. Uso bastante intensivo en equipo.

12.12.2025

M**R

GOOD PRODUCT... BUT NEW PRICE??

Great item. Bought about 4 weeks ago for €66. Price nearly doubled. Not sure its worth the €102. Bit worth it at €66. Went to buy 2 more but decided not to at that price. Will go the Temu route

16.06.2025

K**A

Mega Produkt

Top Produkt, top Verarbeitung

9.10.2025

S**A

Perfect for your work outs

This is perfect and stands up to the training of dragging the bag. it is such great value for your money. it was easy to use and easy to set up.

3.04.2025

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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