

Rebound Spring Force Knee Booster
Rebound Spring Force Knee Booster
Crafted with Premium Materials
Expert Customer Support
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"My order arrived faster than expected and the quality was fantastic 😍 It was such a delight to open! I will definitely be back for more."
- Laura
Protect your knees and elevate your performance with this advanced knee booster brace, designed for comfort, durability, and exceptional joint support. Whether you’re recovering from an injury or seeking enhanced stability during outdoor activities, this knee brace provides the perfect combination of functionality and comfort.

- High-Quality Materials: Made from heavy-duty neoprene, polyester fiber, and carbon steel springs for superior durability and comfort.
- Powerful Spring Support: Equipped with three carbon steel springs, capable of decompressing up to 20kg, providing unmatched knee joint support.
- Adjustable Design: Universal fit for all sizes with an adjustable strap and secure magic sticker to ensure a firm hold during movement.
- Crashproof Honeycomb Pads: Conform to your knee shape for optimal flexibility, protection, and comfort during high-impact activities.
- Breathable & Lightweight: Engineered with moisture-wicking fabric to keep your knees cool, dry, and comfortable during extended use.
- Wide Application: Ideal for sports such as cycling, hiking, running, tennis, basketball, skiing, and even fitness routines like squats and climbing.
- Customizable Spring Resistance: Comes with a removable spring mechanism, allowing you to adjust the elasticity for personalized support levels.
How It Works:
- Loosen the set bolt and remove the retaining bolt to adjust the spring mechanism.
- Add or remove springs based on your desired level of elasticity and support.
- Secure the brace firmly around your knee using the adjustable straps and magic sticker.
Whether you're an athlete, fitness enthusiast, or someone looking to ease the strain on your knees during daily activities, this knee booster is your go-to solution for enhanced mobility, reduced discomfort, and long-lasting support.







So impressed! 😍
I don’t usually leave reviews, but i had such a good experience with Factory Mart i felt like i had to. the items are great quality, shipping was quick, and customer service is super responsive. I don’t usually leave reviews, but i had such a good experience with Factory Mart i felt like i... I don’t usually leave reviews, but i had such a good experience with Factory Mart i felt like i had to. the items are great quality, shipping was quick, and customer service is super responsive.
Kayla Thompson
Great experience!
I've been ordering online for years, and Factory Mart stands out. The quality is amazing, and the service is so friendly and helpful. Definitely coming back for more! I've been ordering online for years, and Factory Mart stands out. The quality is amazing, and the service is... I've been ordering online for years, and Factory Mart stands out. The quality is amazing, and the service is so friendly and helpful. Definitely coming back for more!
Emily Harper
Exactly right
My order was exactly what i hoped for, and the quality is amazing. Sophie was so helpful and made the process even smoother. Highly recommend this store. My order was exactly what i hoped for, and the quality is amazing. Sophie was so helpful and made... My order was exactly what i hoped for, and the quality is amazing. Sophie was so helpful and made the process even smoother. Highly recommend this store.
Sarah Anderson
Smooth process
Ordered a few items, and they all came in perfect condition. Customer service answered my questions quickly, and everything was a smooth process. Would shop here again for sure! Ordered a few items, and they all came in perfect condition. Customer service answered my questions quickly, and everything... Ordered a few items, and they all came in perfect condition. Customer service answered my questions quickly, and everything was a smooth process. Would shop here again for sure!
Hannah Morgan
Hesitant, but wow! 👏
I was a little unsure about buying from a store i hadn’t heard of, but the great reviews convinced me. now i’m the one leaving a review because my experience was so good! I was a little unsure about buying from a store i hadn’t heard of, but the great reviews convinced... I was a little unsure about buying from a store i hadn’t heard of, but the great reviews convinced me. now i’m the one leaving a review because my experience was so good!
Jenna Murphy
Amazing quality!
The quality of the products is incredible for the price. My order arrived faster than i thought it would, and i’m super happy with everything. Factory Mart is my new go-to shop. The quality of the products is incredible for the price. My order arrived faster than i thought it would,... The quality of the products is incredible for the price. My order arrived faster than i thought it would, and i’m super happy with everything. Factory Mart is my new go-to shop.
Olivia Jenkins
Consistently great
I have placed a couple of orders with Factory Mart now, and i’ve been impressed every time. The products look just like the pictures, and the service feels really personal. I have placed a couple of orders with Factory Mart now, and i’ve been impressed every time. The products... I have placed a couple of orders with Factory Mart now, and i’ve been impressed every time. The products look just like the pictures, and the service feels really personal.
Kelsey Chapman
Highly recommend 👍
Factory Mart is honestly one of the best online stores i’ve used. The items are top-notch, shipping is reasonable, and they’re always quick to respond to any questions. Love it! Factory Mart is honestly one of the best online stores i’ve used. The items are top-notch, shipping is reasonable,... Factory Mart is honestly one of the best online stores i’ve used. The items are top-notch, shipping is reasonable, and they’re always quick to respond to any questions. Love it!
Lindsey Hayes
Sophie is the best!
Sophie is amazing! She answered all my questions and kept me updated about my order. My items arrived in perfect condition, and the quality was outstanding. Factory Mart is my new favorite store. Sophie is amazing! She answered all my questions and kept me updated about my order. My items arrived in... Sophie is amazing! She answered all my questions and kept me updated about my order. My items arrived in perfect condition, and the quality was outstanding. Factory Mart is my new favorite store.
Jessica Taylor
Earned my trust
Fast delivery, great products, and super friendly support team. Sophie went above and beyond to help me with my order. It’s so nice to find an online store you can trust. Factory Mart has earned my loyalty! Fast delivery, great products, and super friendly support team. Sophie went above and beyond to help me with my... Fast delivery, great products, and super friendly support team. Sophie went above and beyond to help me with my order. It’s so nice to find an online store you can trust. Factory Mart has earned my loyalty!
Ava Scott