Assassins Knee Sleeves - Skull

(26 Reviews)
$55.00 $27.50
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NEW from RockTape, the ultimate weapon for workout domination - Assassins, an entirely new generation of knee sleeves. Assassins will keep you ahead of the game--keeping your knees supported and protected while slaying reps and crushing WODs.

  • Provide joint support during grueling workouts and lifts
  • Protect the knee from abrasions during lunges or obstacle course racing
  • Provide VMO (vastus medialis oblique) support 
  • Stay put with a unique organic design, won’t slip down during activity
  • Keep the knee joint warm between exercises
  • May help reduce non-specific knee pain* 
  • May help improve patella tracking over the knee cap

Assassins can be used in a variety of sports and fitness pursuits, including: weightlifting, high-intensity interval training, obstacle course racing, running, cycling and other functional fitness endeavors.

Assassins are available in sizes extra small through extra large, with two thickness options: 5mm for moderate support and 7mm for maximum support.

Built for Competition

Assassins were formulated with the unique needs of athletes in mind, and unlike sleeves from other companies, are much more than a re-purposed medical knee support.

We fine-tuned Assassins through three years of feedback from both RockTape customers and professional athletes like Ashley Horner, Marcus Filly, and Neal Maddox to provide the ultimate knee supports.

The result is a pair of knee sleeves that are suitable for the most grueling workouts, lifting events, and obstacle course races - yet comfortable enough for the weekend warrior.

Designed for Performance

Taller than standard sleeves, and carefully constructed with a unique organic design, Assassins support the knee and compresse the vastus medals oblique (VMO) at its insertion point above the patella. This helps ensure proper stability and tracking of the knee, and can often dramatically reduce non-specific knee pain*, particularly during squats.

The extra-tall design also keeps sleeves in place - preventing excess slippage and shifting during workouts - a common complaint of competing sleeves.

Uncompromising Value

Protective gear should always be reasonably priced and available to anyone. We also believe that every athlete deserves two sleeves - that's why Assassins are always sold as a pair.

When compared to the competition, Assassins' quality and price can't be matched.

Nearly Indestructible

Engineered with a synthetic fabric shell bonded to SBR neoprene and secured via double-mauser stitching, Assassins comfortably support the knee joint through countless workouts.

Rigorous life-cycle testing by both our own athletes and automated test programs guarantee superior quality. If any pair of Assassins fails to carry out their purpose, RockTape offers the industry’s only one-year warranty against defects and premature failure from date of purchase.

Specifications

SBR Neoprene
Double Mauser stitching
Durable-yet flexible front panels
4-way stretch lycra side panels
Extra tall design for VMO compression

Sizing

Measure the circumference of your knee around the center of your patella.
Assassins start very snug and can take a few sessions to break in.
If you measure on the higher end of a size, we recommend ordering the next size up.

XS: 10.5" and below
SM: 10.5 - 12.5"
MD: 12.5 - 13.5"
LG: 13.5 - 14.5"
XL: 14.5 - above

Reviews (26)

Knee sleeves

Written by Kendal on 22nd Jun 2024

I bought my 1st pair of these yrs ago and they are finally worn out. I am on my second pair and couldn't be happier. I tore my meniscus in college and these sleeves make a world of difference when squatting or doing Olympic lifts.

Rocktape Knee sleeves

Written by Stevie on 19th Apr 2021

The quality of these sleeves is incredible, I have a pair that is about a year old and they are like new. No tears, stretching, or unpleasant smells so far. This is the second pair of RT Knee sleeves that I have purchased in the past year. The first pair I bought in the summer of last year in 7mm for use while squatting and I have now come back to purchase the 5mm for more agility-centric routines. I have always had a challenging time perfecting my squat technique because of weak knees. After using the sleeves I found my technique improving little by little. Now, I have no issues at all with my knees while squatting! These sleeves provide just the right amount of support and compression that I need to continue growing. I would absolutely recommend this brand to anyone looking to buy knee sleeves as an accessory/tool for their gym.

Knee Sleeves

Written by George Reneau on 3rd Dec 2020

These are great. I've probably got 6-8 other functional fitness athletes to go to these instead of the high priced big name brands. I've tried 3 or 4 other brands and the Rocktape 7mm sleeves fit as well, last as long, look as good if Not better than those others. And they are not as expensive.

Knee sleeves skull 5mm

Written by King. Me on 26th Jul 2018

Love them.

Totally worth it

Written by Armando Garza on 26th Apr 2018

Best knee sleeves ever. It's unbelievable how much stability I feel when I use these bad boys to squat.

Totally worth it

Written by Armando Garza on 26th Apr 2018

Best knee sleeves ever. It's unbelievable how much stability I feel when I use these bad boys to squat.

Assassin Knee sleeves

Written by Kyle Wagner on 5th Apr 2018

I like the product but the additional height is not necessary and creates bunching. I’d prefer the old version which was a bit shorter.

Assassins Knee Sleeves - Skull

Written by abril torres on 19th Jan 2018

my friend love it! it fix very well and the cuality of the product is asome.

Wholesale review

Written by Nick on 6th Jan 2018

A customer contacted our company about exchanging a Small for a XS. We didn't carry that size anymore, so we contacted RockTape. XS was no longer manufactured, but they were able to find us a replacement that had come in earlier and sent it direct to our customer! Needless to say, our customer was ecstatic to get the right size (especially since its no longer made), and we were very pleased with RockTape's superior customer service.

1st pair of knee sleeves

Written by Adabel on 21st Dec 2017

Great design and they have saved my knees from burpees and helped keep my knees warm while squaring.

Assassin's knee sleeves

Written by Travis Hervol on 25th Nov 2017

I bought one pair a couple of months ago. And loved them. Just bought another so I could swap them out, between workouts. The 7mm are great. First pair we're the 5mm. They are good as well. I use the 5 mm now for core and arm day. ( We always super set with some leg exercises). I use the 7mm for "Leg day" and our HIIT workout Love them both

knee sleeves

Written by Jeremiah Farmer on 4th Aug 2017

Perfect fit and fast shipping.

Awesome product

Written by undefined on 9th Mar 2017

These sleeves are awesome. I could tell a difference on my first WOD. They look great on top of fitting perfect. Sizing guide was spot on and they shipped fast.

Great product

Written by Brian on 6th Mar 2017

I am very impressed with what i ordered

The best!

Written by Juliana on 3rd Mar 2017

Very good product!!!to do a llit if squats wearing these is the best way

Really good product

Written by Kent baker on 24th Feb 2017

I have worn the assassin knee sleeves for several workouts now. I love them. My only critique is the "what size to order " If you go by the chart they provide I would have worn an XL. I got the larges instead. They fit great. Plus they look awesome

Increased my # of sets!

Written by K. Andrews on 12th Feb 2017

After moving up in weight in the squat rack I started having slight right knee pain. My form is correct and I always squat A to G, so I think I just needed that extra insulation and support for my knees. I decided to give Rock Tape a try as I felt Ashley Horner's raves were honest and sincere. On the first go I was able to squat my max 6 sets! I was never able to do that before. These sleeves don't require any "breaking in" as they conformed and bent with my knees perfectly. The fact that they're also unique in design and again sooo snug and form-fitting is just...I don't think I'll ever switch brands. I'm in love. I love these sleeves. I'm 5'2", 130 lbs and my knee circumference is almost 13" so I went with the MD's in the 7mm. Follow the sizing chart! I just got my bro to buy a pair too. Thank you Rock Tape!

Must have if you need knee support of any kind

Written by Alex on 19th Jan 2017

These things are absolutely incredible. I originally bought them for lifting, but after realizing how well they hold to my knees I decided to put them to use in the sport I play as well and was shocked to notice they stayed in place after an entire day of running, diving, sliding, bending and flexing my legs and knees. I'd personally recommend these to anyone looking for a brace for sports and or lifting needs. I have a torn acl and lcl in my right knee and I'll be the first to tell you proper support that stays in place is an important part of my performance in the gym and on the field. These are my new go to for both.

Great product!

Written by undefined on 17th Jan 2017

Have tried nearly every one sleeve on the market, and was not satisfied until I came across Rocktape. All other brands have either lost their elasticity, torn, or just never provided the sport I was looking for. All levels of thickness are prefect, just depends on his much support your looking for. Sizing chart is good to follow. Pricing is totally worth it since they come in pairs and have uncontested warranty.

Great knee sleeves, good price

Written by undefined on 15th Dec 2016

I've been using these knee sleeves for about a month. Chose them over other brands based on reviews, rocktape brand, and the fact that you get a pair for $70 as opposed to 1 for $70. I measured out as an XL, and was a little worried they'd be too large but they fit perfect. Just a little snug, but I prefer that. The material is nice and thick. Virtually no slippage when I get sweaty. So far, great knee sleeves and they seem to help my knees and allow me to do more in the workouts.

Knee sleeves

Written by undefined on 10th Nov 2016

Very happy with the Knee sleeves! I beat them down every day especially for all my heavy lifts!

Great knee sleeves!

Written by Ray Espinoza on 7th Nov 2016

I made the switch from my Rehband 7720s to the Assassins and I love the fit. Very snug when I first got them and wore them but they are opening up just enough to allow good movement. Little to no slippage which is the opposite of my Rehband sleeves. So far so good!

killing my workouts

Written by Mikel Cassidy on 5th Sep 2016

Thrilled with my new RockTape Assassins knee sleeves. Their performance is only matched by their amazing look.

Amazing Product

Written by Jonathan on 19th Aug 2016

You can feel the tightness of the Assassins as soon you flex for those OHS Just Love Them..!!

Amazing!

Written by undefined on 18th Aug 2016

Super tight at first but after a few workouts they molded great to my knees. Definitely go a size up if you are on the high end of your size. Glad I decided on 5mm, 7mm would be to much.

Best Knee Sleeves I have owned

Written by Rob on 8th Aug 2016

The knee sleeves are heavy duty, fit good and look awesome. I had a pair previously & they lasted about two years.

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