FitterFirst Classic Sit Disc - 13" | UPC 802009000087
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FitterFirst Classic Sit Disc


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FitterFirst Classic Sit Disc

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One of the most challenging aspects of core workouts is engaging the midsection of the body. Most beginners struggle to tighten their core muscles to perform core exercises effectively.

But with this FitterFirst product, anyone can improve their form during a lower body workout routine. The classic sit disc offers a stable surface to train the core, improve posture, and relieve back and neck pain. It can be used as a sitting plane over an office chair or placed on the floor for home workouts.

Whether you're a beginner level exerciser, a patient recovering from a physical injury, or a world-class athlete, the FitterFirst Classic Sit Disc will benefit you the same. Made with high-quality phthalate-free PVC, this fitness product comes fully inflated, so you don't need to pump it up before using. Just unpack the product and use it anywhere you want.

The FitterFirst Classic Sit Disc is durable and excellent for balancing exercises. Do a round of high leg march, kickbacks, or the tricky single leg squat; this workout tool will provide you with exceptional support and enhance your form, improving results. Use this disc on a regular chair, a gaming chair, a desk chair, or a standard seating chair to maintain a healthy posture at all times. Enjoy better performance during workouts and pronounced results with this FitterFirst Classic Sit Disc. And if you wish to do stretches and perform yoga, even then, you can benefit from this fitness tool. Get your hands on the high-caliber stability core trainer by FitterFirst today!


  • Provides support during workouts
  • Engages the intricate muscles in the body
  • Strengthens the core muscles
  • Relieves neck and back pain
  • Helps in rehabilitation and recovery
  • Improves posture

Product Specifications

  • Brand: FitterFirst
  • Diameter: 13"
  • Weight: 3 lbs.
  • Height: 3."
  • Material: phthalate-free high-quality PVC (polyvinyl chloride)

Shipping & Returns

We can ship to virtually any address in Canada or the United States. 

Delivery times and fees can vary by region. 

For information on Shipping, visit our Shipping page.

We have a 30-day money-back guarantee for most products. To find out what products qualify, visit our Returns page for more information.

Or, if you have other questions, please do not hesitate to Contact Us. We are happy to help!


Need Help?

Do you need help with an order?  Or just have general questions?  We're here to help!

Please feel free to contact us or chat online with one of our Customer Service Agents. LiveChat is available Monday - Friday between the hours of 9am and 4pm PST (holidays excluded).