SKU: 59107894769

SmartCuffs® 4.0 Clinical Set

Sale price$795.70 Regular price$884.11
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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18

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Description

SmartCuffs® 4.0 Clinical SetSmartCuffs 4. 0 Features: Patent pending iBFR LOP Calibration Our clinically validated LOP calibration is back and better than ever. Finding LOP in as little as 10 seconds by utilizing our groundbreaking proprietary algorithms, it is the fastest and most comfortable LOP calibration process available. By taking a percentage of LOP, the user can objectively know how much they are restricting blood flow for their given body structure. This is critical

SmartCuffs® 4.0 Features:
Patent-pending iBFR™ LOP Calibration - Our clinically validated LOP calibration is back and better than ever. Finding LOP in as little as 10 seconds by utilizing our groundbreaking proprietary algorithms, it is the fastest and most comfortable LOP calibration process available. By taking a percentage of LOP, the user can objectively know how much they are restricting blood flow for their given body structure. This is critical since LOP’s vary wildly from person to person. This takes out all the guessing for a truly easy and quick experience.

Exclusive Tri-Pressure™ Technology - As BFR research has evolved, so has the way clinicians and patients optimally use and program blood flow restriction training. Three distinct BFR modes that have shown to be highly effective are now at your fingertips.

Safety - Paramount to everything we do, safety is at the forefront. The SmartCuffs® 4.0 was designed to not allow the user to inflate to a percentage greater than 80% LOP for any limb. Making the 4.0 ideal for at-home patient use.

Cuff design and material - After years of customer feedback, we wanted to design the most comfortable and evidenced-based cuffs for users of all types. With proprietary air bladder materials that allow for uniform inflation and fit, pinching of the skin is no longer a problem. In addition, the contoured design of the Large and XL cuffs allow for superior fit, comfort, and lower limb occlusion pressures. As a cherry on top, we pre-curled the internal stiffener on the cuffs to further prevent cuff slippage.

Bluetooth® Connectivity - Connect to any smartphone or tablet via the SmartCuffs® app. Available on Apple App Store and Google Play.

Li-Ion battery: 5x the battery life of the nearest wireless BFR competitor with a charge time of 30 mins or less. This makes it the logical choice for clinical and high use environments.

How To Size Your Cuffs
Small = 8" - 13"
Medium = 13" - 18"
Large = 18" - 24"
XL = 24" - 29"
*If on the border, choose the larger size

Measuring of Arm cuff:
Measure the circumference of the space between your shoulder and bicep.

Measuring of Leg cuff:
Measure the circumference of your thigh closest to your hip.

* 8 cuffs (Pair of each size)

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 59107894769

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4.3 ★★★★★
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ajn
Whiting, US
★★★★★ 5
Excellent athletic socks
Size: Large, Color: (100) White / White / Black
Solid athletic socks at a great price. Not too thick, not too thin. Second time I've purchased them. They last longer than most socks I've used in the past too. Only concern is the sizing. I may be reading the sizing chart wrong, but for my size 13 feet it says XL are the correct sock size. I've ordered Large twice and they're perfect. I would imagine the size Large socks would also fit up to size 14 shoe, but probably need to go with XL if foot is lager than 14.
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Reviewed in the United States on April 12, 2026
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Kevin March
Chelsea, US
★★★★★ 4
Great product
Size: Large, Color: (035) Steel / White / Black
Comfortable fit perfect
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Reviewed in the United States on March 15, 2026
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Wesley
Phoenix, US
★★★★★ 5
Quality No Show Socks That Are Comfortable and Durable
Size: Large, Color: (100) White / White / Black
These Under Armour no show socks are great for everyday training and casual wear. The cotton blend feels comfortable and they stay in place throughout the day. Getting six pairs in a pack is solid value for a quality brand. They hold up well after multiple washes and the no show style works great with most athletic shoes. A reliable go-to sock.
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Reviewed in the United States on April 30, 2026
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Hanson
Omaha, US
★★★★★ 5
Comfortable
Size: Large, Color: (001) Black / Black / White
I recently picked up a pair of Under Armour socks, and they’ve quickly become my go-to choice for daily wear and workouts. From the first wear, the fit felt snug and supportive without being too tight. The fabric is lightweight yet durable, and it does a great job wicking sweat — keeping my feet dry even during longer runs or intense gym sessions. One of the things I appreciate most is the arch support and cushioning in the right places. It adds just enough padding where I need it, especially under the ball and heel of the foot, which makes a noticeable difference on days when I’m on my feet a lot. The socks also have a nice breathable mesh pattern that improves airflow.
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Reviewed in the United States on January 4, 2026
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The happy baker
Phoenix, US
★★★★★ 5
Great sock liners
Size: Medium, Color: (001) Black / Black / Pitch Gray
Awesome socks. Has little gel pad on top of heel for no slip. Thin and comfortable. Previously Purchased at Nordstrom rack and no longer in stock. Happy to find here Note: Will shrink a little best to air dry
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Reviewed in the United States on April 16, 2026

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