Product Overview
Does the fear of scraping your shins keep you from performing explosive, jumping exercises that can make you faster, stronger, and a more powerful athlete? Say no more, we’ve got you covered!Synergee 450lbs Weight Capacity Soft Plyo Box is affectionately nicknamed the “Ouch Proof Box” for that very reason! We recognize that you workout for a “hurt so good” feeling, not “ouch I hit my leg on a hard corner and need to sit out for a week” – so we made an exceptionally effective and safe-to-use Box. Don’t let the fear of falling keep you from unlocking your true potential!
This Plyo Box is made with a dense foam core, layered with a softer foam on all sides, and surrounded with an anti-slip shell. Hard enough to handle every plyometric movement you throw at it; soft enough to save you from injury. Minimal shin splitting and foot slipping. Maximum gains.
Due to global supply chain issues, items may be delayed 1-3 weeks.

Features
•OUCH PROOFThe Synergee Soft Plyo Box has an ultra dense foam core that is surrounded by a softer foam layer on all six sides. The Box is built with an indestructible design; but, just as important, it is designed so it won’t destroy your shins if you miss a jump.
•1 SIZE FITS ALL
Each Box is encased in an anti-slip PVC shell to minimize slipping or sliding when your feet land or are anchored on top. No assembly required. The Synergee Soft Plyo Box arrives ready for use and with all the safety features already in place.
•3 BOXES IN 1
Each box boasts multiple different heights, meaning you have different levels of intensity to work with. Each Box offers you challenging heights that motivate you to excel to new levels of fitness!
Specifications
Brand | Synergee |
Box Core | Ultra High Density Foam |
Surrounding Material | Soft High Density Foam |
Shell Material | Non-Slip PVC |
Max Weight | 450lbs |
Ouch Proof | Yes |
Size | 16" x 14" x 12" |
Weight (lb) | 17lb |

Due to national shipping delays, order delivery times may be impacted.
Please click here to read more about the NATIONWIDE SHIPPING DELAYS
Please contact us directly for an exact ETA of your delivery. Most of our products have a regular handling time between 3-5 business days Please allow 3-15 business days for delivery.
Freight Orders Include FREE Delivery Appointment.
Some of our heavier machines require more customization and are made-to-order in our supplier’s manufacturing plants in United States. Once completed, they are carefully
inspected at the Quality Center, after which they are shipped using freight shipping carriers.
We know that sometimes you have to wait a little longer to get your order but it's always worth it!
Please click here to read more about our Order Shipping & Delivery.
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Exchanges for damages: Please inspect the packaging of your item(s) when they arrive, if you notice any damage you should make note of it when signing for delivery. If your item(s) do arrived damaged, please send photos to info@barbellflex.com and we will process an insurance claim on your behalf. Be advised that most of our suppliers request you (the buyer) to pay for shipping the item back to them for inspection for damaged returns or replacements. In some cases, we are able to waive the fee, however this is at the discretion of our supplier and on a one-time courtesy basis. The time it takes for your exchanged product to reach you will largely vary on your location. Should the item you return be over $75, we strongly encourage you to use a trackable shipping service with signature or shipping insurance! Note that we will not be able to provide replacements/refunds without photos of the damage. |
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Returns & Refunds: All new products purchased through BarbellFlex.com include a 30 Day Return Guarantee. Refunds will only be issued to the original credit card that you use when placing your order. Please click here to read more about our Returns & Exchanges. |
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We Put Our Customers First! Customer experience is our #1 priority. We understand that these products are available on other websites and we are very appreciative that you chose to do business with us. As such, we pride ourselves in providing a superior concierge sales and shopping experience to all of our customers, via email, phone, social media and live chat.
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Returns are easy, simply contact us to request a return for your item and we will work with you to get the process going. We'll get you a replacement or refund in a snap! Please check our Returns & Exchanges tab for more info! |
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In the unlikely event that you find your item cheaper at another online store, just let us know and we'll beat the competitor's pricing hands-down. Our 100% Price Guarantee has some limitations. Please click here to read more about our Price Match Guarantee. |
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We thank you for your incredible service!. With gratitude, we partnered with GovX to offer a discount on our store to our military, their spouses & dependents, first responders, government employees and our wonderful teachers. Please click here to read more about our GovX ID Military Discount. |
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Ordering from Barbell Flex is 100% safe and secure so you can rest easy. Your personal details are never shared, sold or rented to anyone either. We invested time and money to ensure our backend system is secure and robust. We care about your information as much as you do! |
Synergee Fitness General Warranty Synergee stands behind its products: the design, manufacturing, packaging, and delivery process. We strive to make every Synergee athlete satisfied with their purchase and offer a 30 Day No Sweat Guarantee. In the first 30 days of receiving your product, if you are unsatisfied for any reason, we will perform a return or refund (on a case-by-case basis). Beyond this 30-day window, the product you ordered from Synergee is covered by one of the following warranties. The warranties begin from the day of purchase.
WARRANTY
•HOME USE :
1 Year Warranty
•Commercial Use :
1 Year Warranty
For Specific Period Warranties
Synergee will warranty this product from defects in appearance and performance on account of inapt material, delivery, and workmanship prior to the purchaser receiving the product. This warranty will be recognized for a period of time (as stated above) from the purchase date of the product. The warranty only applies to the original purchaser of the product as long as they own it. This warranty cannot be transferred or claimed by anyone other than the original purchaser. Warranty does not apply to barbells that need maintenance: we offer a bar cleaning kit for purchase through our website and regular cleaning is required for barbells to maintain optimal performance. Any damage incurred because of maintenance or lack thereof is not covered by our warranty.
For All Warranties
Warranty may be voided for any product which has been damaged due to negligent or faulty use, abuse, alteration, maintenance, storage or handling by the user. Any specific issues the original purchaser has with a Synergee product will be reviewed on a case-by-case basis.
Product Overview
Does the fear of scraping your shins keep you from performing explosive, jumping exercises that can make you faster, stronger, and a more powerful athlete? Say no more, we’ve got you covered!Synergee 450lbs Weight Capacity Soft Plyo Box is affectionately nicknamed the “Ouch Proof Box” for that very reason! We recognize that you workout for a “hurt so good” feeling, not “ouch I hit my leg on a hard corner and need to sit out for a week” – so we made an exceptionally effective and safe-to-use Box. Don’t let the fear of falling keep you from unlocking your true potential!
This Plyo Box is made with a dense foam core, layered with a softer foam on all sides, and surrounded with an anti-slip shell. Hard enough to handle every plyometric movement you throw at it; soft enough to save you from injury. Minimal shin splitting and foot slipping. Maximum gains.
Due to global supply chain issues, items may be delayed 1-3 weeks.

Features
•OUCH PROOFThe Synergee Soft Plyo Box has an ultra dense foam core that is surrounded by a softer foam layer on all six sides. The Box is built with an indestructible design; but, just as important, it is designed so it won’t destroy your shins if you miss a jump.
•1 SIZE FITS ALL
Each Box is encased in an anti-slip PVC shell to minimize slipping or sliding when your feet land or are anchored on top. No assembly required. The Synergee Soft Plyo Box arrives ready for use and with all the safety features already in place.
•3 BOXES IN 1
Each box boasts multiple different heights, meaning you have different levels of intensity to work with. Each Box offers you challenging heights that motivate you to excel to new levels of fitness!
Specifications
Brand | Synergee |
Box Core | Ultra High Density Foam |
Surrounding Material | Soft High Density Foam |
Shell Material | Non-Slip PVC |
Max Weight | 450lbs |
Ouch Proof | Yes |
Size | 16" x 14" x 12" |
Weight (lb) | 17lb |

Due to national shipping delays, order delivery times may be impacted.
Please click here to read more about the NATIONWIDE SHIPPING DELAYS
Please contact us directly for an exact ETA of your delivery. Most of our products have a regular handling time between 3-5 business days Please allow 3-15 business days for delivery.
Freight Orders Include FREE Delivery Appointment.
Some of our heavier machines require more customization and are made-to-order in our supplier’s manufacturing plants in United States. Once completed, they are carefully
inspected at the Quality Center, after which they are shipped using freight shipping carriers.
We know that sometimes you have to wait a little longer to get your order but it's always worth it!
Please click here to read more about our Order Shipping & Delivery.
![]() |
Exchanges for damages: Please inspect the packaging of your item(s) when they arrive, if you notice any damage you should make note of it when signing for delivery. If your item(s) do arrived damaged, please send photos to info@barbellflex.com and we will process an insurance claim on your behalf. Be advised that most of our suppliers request you (the buyer) to pay for shipping the item back to them for inspection for damaged returns or replacements. In some cases, we are able to waive the fee, however this is at the discretion of our supplier and on a one-time courtesy basis. The time it takes for your exchanged product to reach you will largely vary on your location. Should the item you return be over $75, we strongly encourage you to use a trackable shipping service with signature or shipping insurance! Note that we will not be able to provide replacements/refunds without photos of the damage. |
|
![]() |
Returns & Refunds: All new products purchased through BarbellFlex.com include a 30 Day Return Guarantee. Refunds will only be issued to the original credit card that you use when placing your order. Please click here to read more about our Returns & Exchanges. |
![]() |
We Put Our Customers First! Customer experience is our #1 priority. We understand that these products are available on other websites and we are very appreciative that you chose to do business with us. As such, we pride ourselves in providing a superior concierge sales and shopping experience to all of our customers, via email, phone, social media and live chat.
|
|
![]() |
Returns are easy, simply contact us to request a return for your item and we will work with you to get the process going. We'll get you a replacement or refund in a snap! Please check our Returns & Exchanges tab for more info! |
|
![]() |
In the unlikely event that you find your item cheaper at another online store, just let us know and we'll beat the competitor's pricing hands-down. Our 100% Price Guarantee has some limitations. Please click here to read more about our Price Match Guarantee. |
|
![]() |
We thank you for your incredible service!. With gratitude, we partnered with GovX to offer a discount on our store to our military, their spouses & dependents, first responders, government employees and our wonderful teachers. Please click here to read more about our GovX ID Military Discount. |
|
![]() |
Ordering from Barbell Flex is 100% safe and secure so you can rest easy. Your personal details are never shared, sold or rented to anyone either. We invested time and money to ensure our backend system is secure and robust. We care about your information as much as you do! |
Synergee Fitness General Warranty Synergee stands behind its products: the design, manufacturing, packaging, and delivery process. We strive to make every Synergee athlete satisfied with their purchase and offer a 30 Day No Sweat Guarantee. In the first 30 days of receiving your product, if you are unsatisfied for any reason, we will perform a return or refund (on a case-by-case basis). Beyond this 30-day window, the product you ordered from Synergee is covered by one of the following warranties. The warranties begin from the day of purchase.
WARRANTY
•HOME USE :
1 Year Warranty
•Commercial Use :
1 Year Warranty
For Specific Period Warranties
Synergee will warranty this product from defects in appearance and performance on account of inapt material, delivery, and workmanship prior to the purchaser receiving the product. This warranty will be recognized for a period of time (as stated above) from the purchase date of the product. The warranty only applies to the original purchaser of the product as long as they own it. This warranty cannot be transferred or claimed by anyone other than the original purchaser. Warranty does not apply to barbells that need maintenance: we offer a bar cleaning kit for purchase through our website and regular cleaning is required for barbells to maintain optimal performance. Any damage incurred because of maintenance or lack thereof is not covered by our warranty.
For All Warranties
Warranty may be voided for any product which has been damaged due to negligent or faulty use, abuse, alteration, maintenance, storage or handling by the user. Any specific issues the original purchaser has with a Synergee product will be reviewed on a case-by-case basis.