Lift lighter.
Train harder.

Achieve maximum results with minimal weight through blood flow restriction (BFR) training.
Shop SmartCuffs® 4.0
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“SmartCuffs work by restricting outgoing blood flow while allowing more blood in, causing an increase of metabolic stress”
“It didn't hurt; it simply felt like my muscles had reached overload much more quickly”
“The company's SmartCuffs, blood flow restriction training (BFR) cuffs, let you lift less weight and see the same gains”
See the same results — 
with just 30% of the weight
BFR cuffs uses gentle pressure to make your muscles work harder. You get all the benefits of heavy lifting without the extra strain on your joints.
  • Increase strength and hypertrophy

    Get stronger and boost your muscle growth while lifting lighter weights.

  • Improve aerobic capacity

    Boost your endurance by making your heart and lungs work more efficiently.

  • Speed up recovery time

    Recover quicker with less soreness and get back to your workouts sooner.

How it works
TRUSTED BY THE ELITE
SmartToolsUSA
Akron, Ohio

SmartCuffs spotted! This time on @kingjames in the @nba playoff bubble. Active recovery is huge during the playoffs. Proud to be part of this journey and getting SmartCuffs into the mainstream. Shoutout to @mikemancias1 🙌

Geoff Omiatek, PT, DPT, AT, MS, SCS
Director of Physical Therapy & Sports Medicine @ Orthopedic One

“Our practice has been using SmartCuffs® for our BFR solution since 2019.  Our staff and patients find them easy to use, while delivering us a safe and reliable intervention to challenge our patients.  Many of our staff use them personally, including me.

SmartToolsUSA
Miami, Florida

Conor McGregor upgrading his BFR game with the SmartCuffsPro #bloodflowrestriction  #bfrtraining #smartcuffs #mma #mmatraining

Mike Reinold, PT
President @ APTA Sports SectionMedical Advisor @ Chicago White Sox

“Over the years we’ve tried many different BFR units, but nothing compares to SmartCuffs® in terms of function, effectiveness, and comfort. Our patients and athletes really enjoy using them, and our team of therapists and strength coaches love all the features.”
New
SmartCuffs® 4.0
Each set includes:
  • SmartCuffs® 4.0
  • Power adapter
  • Charging cable
  • Carrying case
  • User manual
Starts at $499 or $46/month with
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the world’s
smartest bfr cuffs
The most accurate wireless BFR product

SmartCuffs® 4.0 automatically find your ideal pressure in just 30 seconds. With accuracy tested and validated by Mayo Clinic, you can trust you're getting the best results without any guesswork.

3 tailored workout modes to match your fitness goals

With three different BFR modes — continuous, intermittent, and resting — you can match your fitness level and goals for the most comfortable and effective training experience. 

Freedom to train with multiple cuffs at once

SmartCuffs® 4.0 are equipped with Bluetooth connectivity and their own built-in pumps, so you can control multiple cuffs simultaneously — and use as many as you need.

3X longer battery life than the competition

Our advanced Li-Ion battery lasts longer and recharges in just 30 minutes, making it the perfect choice for high-use environments and ensuring your SmartCuffs® 4.0 are always ready when you are.

Maximize your workouts in just 5-20 minutes
Because BFR training is so effective, you can achieve the same results in a fraction of the time.
5-minute
Strength training finisher

Add a quick BFR finisher to your strength routine to maximize muscle growth and gains with minimal load.

5-minute
Rehab exercises

Accelerate your rehab with short, focused BFR sessions that help maintain muscle mass and strength without overloading your joints.

15-minute
Post-workout recovery

Use BFR cuffs after a workout during a passive cool-down, reducing muscle soreness and speeding up your recovery time.

20-minute
Walk or swim

Boost muscle endurance and cardiovascular health while you enjoy your favorite low-impact activities.

Get officially certified
Join our CEU-approved, evidence-based courses in iASTM and blood flow restriction (BFR) training, offered worldwide. You’ll leave ready to immediately apply these techniques in your clinical practice the very next day.
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