NEW! Core-Tex Sit: Let’s make sitting productive.Learn More


Core-Tex Sit

Relieve Back Pain & Strengthen Your Core While Sitting

  • Provides relief and prevents stress from accumulating on the lower back.
  • Strengthens abdominal muscles and lower back while sitting. 
  • Great for posture and improved focus while working.
  • Easy to use: Simply place Core-Tex Sit on your favorite firm chair and sit on it. No assembly or maintenance required.

Featured Press

"Core-Tex Sit is the easiest and most convenient way I have found to loosen my lower back. It feels great and my core is working in ways it was never challenged before."

David Berganio, Jr.
PGA Tour Professional

Don't Let Sitting Ruin Your Back.

Core-Tex Sit saves your lower back by creating a variable sitting environment. It takes stress off the lower back and strengthens the core. The patented motion allows for a controlled, dynamic sitting experience that provides benefits to the lower back, hips, core and pelvic floor.

In this video, Dr. Elizabeth Leeds, PT, DPT, explains the benefits of Core-Tex Sit.

Patented Reactive Variability

Much more than just "anti-slouching" or core work, Core-Tex Sit creates a variable sitting environment that dissipates stress on muscles and joints with subtle changes in position. 

●  Simple To Use
●  Works Anywhere
●  Ultra Portable & Durable
●  No Assembly Required
●  Video Instruction & Exercise Library

Core-tex product dimensions with a weight of 3.5 LBS, 14 inch diameter, and 3 inch height

Let's Make Sitting Productive

Working from Home

Core-Tex Sit provides relief from lower back pain and helps prevent low back injuries. You'll benefit from improved focus while working without the distraction of persistent back pain.

Reactive Training Anywhere

Core-Tex Sit opens a whole new realm of possibilities for challenging your workouts with Reactive Training. Strengthen your core, target and tone, improve balance, and more.

Check out our latest instructional videos in the Core-Tex Sit video library.

Postpartum & Pelvic Floor Therapy

Incontinence and lower back pain are common problems experienced by many women during and post-pregnancy.

Core-Tex Sit targets the unique challenge of addressing the deep, intrinsic muscles of the pelvic floor affecting the health and quality of life for expecting and postpartum mothers.

Women embracing her baby

Corporate Wellness Programs

Sitting doesn't have to be an occupational hazard. Core-Tex Sit is a simple and highly-cost effective solution for employers:

● Reduce health-based absenteeism
● Reduce health risks and burnout
● Reduce health care costs and workers comp claims
●  Increase productivity
●  Increase retention and workplace satisfaction


Featured Review: Personal Fitness Professional

"Core-Tex Sit is such a unique way to engage and strengthen the low backs, hips, core and pelvic floor. I have worked with pre/postnatal clients and trainers for this population and the specific benefits are amazing."

Farel Hruska
Global Fitness Director, FIT4MOM

Customer Reviews

Based on 7 reviews Write a review

Purchase Together and Save

Get the ultimate Reactive Training Bundle.
Buy a Core-Tex Reactive Trainer and get Core-Tex Sit for just $37!