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Pro-Tec Patellar Tendon Strap vs ACE Brand Adjustable Knee Strap

The Pro-Tec Patellar Tendon Strap is the more specialized pick: a light neoprene band with a hook-and-loop closure that comes in four measured sizes and targets patellar tendinitis, Osgood-Schlatter and runner's knee. The ACE Brand Adjustable Knee Strap is the simpler one-size option with a reinforced gel pressure pad and breathable material, and it carries a 4.3 average from 216 ratings. Both do the same basic job of compressing the patellar tendon just below the kneecap. Choose Pro-Tec for a closer, sized fit and a barely-there feel; choose ACE for an easier fit out of the box and a gel pad that softens pressure.

  • Choose the Pro-Tec if you want a sized, low-profile strap and you know your measurement just above the kneecap.
  • Choose the ACE if you want a one-size strap with a gel pressure pad and a breathable build you can adjust without measuring.

Prices

  • Pro-Tec Patellar Tendon Strap: $18.95 at RunnersWorld Tulsa (checked today)
  • ACE Brand Adjustable Knee Strap: $13.93 at Masterworks Online (last seen Nov 9)
  • Difference: the ACE Brand Adjustable Knee Strap is $5.02 cheaper than the Pro-Tec Patellar Tendon Strap at the latest prices (Nov 9 and Nov 14)
Pro-Tec
Pro-Tec Patellar Tendon Strap

Pro-Tec Patellar Tendon Strap

3.3(5 ratings)
$18.95at RunnersWorld TulsaChecked 1 h ago
See all prices and details
Visit RunnersWorld Tulsa
Pros
  • Four sizes give a closer fit than one-size straps
  • Very light at about 0.5 ounce
  • Compression spreads evenly across the patellar tendon
  • Well known among runners for patellar tendinitis
Cons
  • Neoprene can feel warm and trap sweat
  • You must measure above the kneecap to pick a size
  • No gel pad, so pressure is flatter and less cushioned
ACE Brand
ACE Brand Adjustable Knee Strap

ACE Brand Adjustable Knee Strap

4.3(216 ratings)
$13.93at Masterworks OnlineChecked Nov 9
See all prices and details
Visit Masterworks Online
Pros
  • One size fits most, no measuring needed
  • Reinforced gel pad cushions the tendon
  • Breathable material reduces heat buildup
  • Strong rating volume from 216 owners
Cons
  • One size can fit loosely on smaller knees or tightly on larger ones
  • Gel pad adds bulk under tights
  • Fewer stated conditions than the Pro-Tec

What separates them

Pro-Tec Patellar Tendon StrapACE Brand Adjustable Knee Strap
SizingFour sizes (Small to X-Large) based on knee circumferenceOne size, adjustable
Pressure pointFlat neoprene band spreads compression across the tendonReinforced gel pressure pad concentrates pressure
Material and breathabilityNeoprene, which can trap heatBreathable material designed to release excess heat
WeightAbout 0.5 ounce, very lightNot specified; gel pad adds bulk
ClosureVELCRO brand hook-and-loop closureAdjustable strap closure
Stated conditionsLists tendinitis, chondromalacia and Osgood-SchlatterMarketed for tendon pressure during running
Owner feedbackLong-standing design with a loyal following among runners4.3 out of 5 from 216 ratings

Price history

  • ACE Brand Adjustable Knee Strap: lowest $12.97 on Nov 10 at Walmart.

Prices at every store

Pro-Tec Patellar Tendon Strap

  • Yumo Pro Shop - Racquet Sports Online StoreNew

    In stockShips from Canada · priced in CAD (CA$24.99) · duties may applyReturn policy

    $17.53Checked 1 h ago
    Visit Yumo Pro Shop - Racquet Sports Online Store
  • RunnersWorld TulsaNew

    In stockReturn policy

    $18.95Checked 1 h ago
    Visit RunnersWorld Tulsa
  • Portland Running CompanyNew

    In stockReturn policy

    $18.95Checked 1 h ago
    Visit Portland Running Company
  • Pacers RunningNew

    In stockReturn policy

    $19.00Checked 1 h ago
    Visit Pacers Running
All 11 stores and price history →

ACE Brand Adjustable Knee Strap

  • WalmartNew

    In stock

    $12.97+ $5.99 shippingChecked 44 min ago
    Visit Walmart
  • Masterworks OnlineNew

    Availability unknown

    $13.93Checked Nov 9
    Visit Masterworks Online
  • Magellan Distribution CorpNew

    Availability unknown

    $17.55Checked Nov 9
    Visit Magellan Distribution Corp
  • Eio.comNew

    Availability unknown

    $21.34Checked Nov 9
    Visit Eio.com

Also available at

  • WalmartCheck price at Walmart
All 10 stores and price history →

Specs compared

SpecPro-Tec Patellar Tendon StrapACE Brand Adjustable Knee Strap
ColorOriginalBlack
Small size fit10" - 12"—
Medium size fit12 1/8" - 13 5/8"—
Large size fit13¾" - 15¼"—
X-Large size fit15¼" - 17"—
MaterialNeoprene—
Weight0.5 ounce—
Closure typeVELCRO® brand closure—
multipack_quantity—1
size—One Size
Type—Knee

What reviewers say

Pro-Tec Patellar Tendon Strap

Owners of patellar straps in this style generally report that direct pressure below the kneecap eases pain during running and stairs. Common complaints are heat and slipping when the strap is not tight enough.

What people mention
  • Pain reliefPraisedUsers say the pressure below the kneecap reduces pain during running and stair climbing.
  • FitMixedGetting the right size by measuring above the kneecap matters; a poor fit puts pressure in the wrong place.
  • HeatCriticisedThe neoprene band can feel hot and trap sweat during longer activity.
  • SlippingCriticisedThe strap can slide down the leg if the closure is not tightened enough.

ACE Brand Adjustable Knee Strap

  • 4.3 / 5216 ratings

Rated 4.3 out of 5 from 216 ratings, buyers mostly find it an inexpensive, effective fix for pain below the kneecap. Complaints center on fit and the strap loosening with movement.

What people mention
  • Pain reliefPraisedBuyers say it reduces the ache below the kneecap while running.
  • AdjustabilityPraisedThe hook-and-loop strap lets wearers dial pressure up or down.
  • FitMixedOne size works for many, but some find it too tight or too loose.

Questions and answers

Which is better for runner's knee?
Both target the patellar tendon below the kneecap. The Pro-Tec spreads pressure across a wider band, while the ACE concentrates it under a gel pad. Pick Pro-Tec for a flatter, lighter feel and ACE if you want cushioned pressure.
Which stays in place better during runs?
The Pro-Tec's sized fit usually holds steadier on long runs because the band matches your circumference. The ACE's one-size strap can shift on smaller knees, so tighten it before you start.
Is the gel pad worth stepping up to?
If direct, cushioned pressure on the tendon feels better to you, yes. The ACE's gel pad softens the contact point. The Pro-Tec relies on even band compression instead.
Which is better in hot weather?
The ACE, because its breathable material is built to release heat. Neoprene on the Pro-Tec can feel warm and clammy during summer runs.
How do I size the Pro-Tec?
Measure the circumference just above your kneecap and match it to the chart: Small 10-12 inches, Medium about 12 1/8-13 5/8, Large about 13 3/4-15 1/4, X-Large about 15 1/4-17.
Which lasts longer?
Both are simple straps with hook-and-loop closures that wear with heavy use. The Pro-Tec's neoprene can stretch over time; the ACE's gel pad can flatten. Rinse either after sweaty runs to prolong life.

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More comparisons

  • ACE Brand Adjustable Knee Strap vs Advanced Patella Strap
  • Pro-Tec Patellar Tendon Strap vs Advanced Patella Strap

Buying guides that pick them

  • Best knee support straps for patellar tracking pain
SlippageCriticised
Some owners report it loosening or sliding during longer runs.