---
product_id: 253988265
title: "Speed Sac, Variable-Weight Resistance Sled Trainer, Strength Training Equipment, Adjustable Leash & Waist Belt, Black, 4.54-13.6kg"
brand: "sklz"
price: "1150 zł"
currency: PLN
in_stock: true
reviews_count: 5
category: "Sklz"
url: https://www.desertcart.pl/products/253988265-speed-sac-variable-weight-resistance-sled-trainer-strength-training-equipment
store_origin: PL
region: Poland
---

# Adjustable leash & waist belt 360° multi-directional training Up to 13.6kg variable resistance Speed Sac, Variable-Weight Resistance Sled Trainer, Strength Training Equipment, Adjustable Leash & Waist Belt, Black, 4.54-13.6kg

**Brand:** sklz
**Price:** 1150 zł
**Availability:** ✅ In Stock

## Summary

> ⚡ Boost your speed and power with every stride!

## Quick Answers

- **What is this?** Speed Sac, Variable-Weight Resistance Sled Trainer, Strength Training Equipment, Adjustable Leash & Waist Belt, Black, 4.54-13.6kg by sklz
- **How much does it cost?** 1150 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/253988265-speed-sac-variable-weight-resistance-sled-trainer-strength-training-equipment)

## Best For

- sklz enthusiasts

## Why This Product

- Trusted sklz brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Secure Weight System:** Velcro straps firmly hold removable sandbags, ensuring consistent resistance every session.
- • **All-Inclusive Training Kit:** Comes with speed sac shell, 3 sandbags, adjustable leash, and waist belt—everything you need to dominate.
- • **Durable & Versatile Design:** Rugged nylon shell built for turf, grass, or wood—ready for any training environment.
- • **360-Degree Mobility Training:** Train explosiveness and agility in every direction with the innovative belt ring.
- • **Customizable Resistance Levels:** Easily adjust weight from 4.54 to 13.6kg for tailored strength gains.

## Overview

The SKLZ Speed Sac is a professional-grade variable-weight resistance sled trainer designed to enhance lower-body strength, speed, and explosiveness. Featuring three removable sandbags for adjustable resistance up to 13.6kg, a 360-degree belt ring for multi-directional training, and a durable nylon shell, it’s perfect for athletes seeking versatile, high-impact workouts. Includes an adjustable leash and waist belt for a secure, customizable fit.

## Description

SKLZ Speed Sac, Variable-Weight Resistance Sled Trainer, Strength Training Equipment, Adjustable Leash & Waist Belt, Black, 4.54-13.6kg : desertcart.ae: Sporting Goods

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

## Features

- Variable weight resistance trainer helps sprinters, football players, and other athletes strengthen lower-body to improve speed and explosiveness
- Three removable weight bags can each be filled with up to 10-pounds of sand to adjust towing resistance for variable weight training
- 360-Degree belt ring allows for multi-directional training to improve strength and mobility in any direction; adjustable leash fits any sized athlete
- Durable nylon shell for use on grass, turf, or wood surfaces; Velcro-secured straps hold weight bags firmly in place
- Includes speed sac shell, 3 Sand bags (sand not included), Adjustable leash and waist belt; limited 1-Year manufacturer’s

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07NTYBBDF |
| Additional Features | Adjustable |
| Best Sellers Rank | #67,663 in Sporting Goods ( See Top 100 in Sporting Goods ) #1,079 in Resistance Bands |
| Brand Name | SKLZ |
| Color | Black /Yellow |
| Country of Publication | China |
| Customer Reviews | 4.5 4.5 out of 5 stars (325) |
| EU Spare Part Availability Duration | 1 Years |
| Global Trade Identification Number | 00849102034175 |
| 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 | 4.68 Pounds |
| Manufacturer | SKLZ |
| Material Type | Nylon |
| Model Name | Sklz Speedsac |
| Number of Resistance Levels | 3 |
| Recommended Uses For Product | Workout |
| Sport Type | Strength Training |
| Style Name | Weight Draw |
| Team Name | Football |
| Tension Supported | Variable |
| UPC | 849102034175 |
| Warranty Description | 1 year manufacturer |

## Product Details

- **Brand:** SKLZ
- **Colour:** Black /Yellow
- **Item weight:** 2.12 kg
- **Material:** Nylon
- **Sport:** Strength Training

## Images

![Speed Sac, Variable-Weight Resistance Sled Trainer, Strength Training Equipment, Adjustable Leash & Waist Belt, Black, 4.54-13.6kg - Image 1](https://m.media-amazon.com/images/I/71g3ea5MMfL.jpg)

## Questions & Answers

**Q: can you put regular weight plates in the bag to increase weight?**
A: We recommend using the included weights that come with this product to assure that it works as desired.

**Q: If using on grass will it kill the grass?**
A: No- the SpeedSac will not kill grass.

**Q: i live in AZ grass is scarce out here. will this die on pavement/parking lot ? lol**
A: It’s good on grass, astroturf etc.  I can’t vouch for pavement, concrete, gravel etc.

**Q: How do I put it on ?**
A: My 14 year old son said it easy just Velcro it around ur waist.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by A***O on 12 December 2025*

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

### ⭐⭐⭐⭐ Review
*by M***R on 16 June 2025*

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

### ⭐⭐⭐⭐⭐ Review
*by S***A on 3 April 2025*

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.

## Frequently Bought Together

- SKLZ SpeedSac Variable Weight Resistance Training Sled (10-30 Pounds)
- SKLZ Speed Chute Resistance Parachute for Speed and Acceleration Training Grey / Black, 54-Inch
- SKLZ Recoil 360 Dynamic Resistance Training Belt

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**Shop now:** [https://www.desertcart.pl/products/253988265-speed-sac-variable-weight-resistance-sled-trainer-strength-training-equipment](https://www.desertcart.pl/products/253988265-speed-sac-variable-weight-resistance-sled-trainer-strength-training-equipment)

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-04-24*