Extend High Compression Knee Sleeve - Single
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PLH and Dome Guide
We measure Parting Line Height (PLH) and Dome on every disc so you know what you are actually getting, not just what the flight numbers say.
Parting Line Height (PLH)
The parting line is the seam around the middle of the rim.
- Higher number = higher PLH = more overstable
- Lower number = lower PLH = more understable
This is one of the most reliable ways to compare stability between discs of the same mold.
Dome
Dome is the height of the flight plate.
- Higher number = more dome
- Lower number = flatter top
Flatter discs usually feel faster and handle wind better.
More dome typically adds glide and carry.
Why we show a range
You will see:
- The measurement for the selected disc
- The full range for that run
The range gives the number context.
Example:
PLH 6 (range 4–6)
That means you are looking at the most overstable version from that batch.
This makes it easier to:
- Find true backups
- Compare multiple copies
- Dial in your stability exactly
Flight numbers describe the mold.
PLH and dome describe the individual disc.
Tritanium eXtend High Compression Knee Sleeves are scientifically designed knee sleeves to provide targeted graduated real medical compression Level2 (20-30mmHg) support to knee area without motion restrictions or harmful tags/seams.
Tritanium arm sleeves are the same sleeves worn by Simon Lizotte. We've brought the arm sleeves, and other Tritanium products like this one, in from Finland. We're the only place you can get them in the United States.
eXtend Knee Sleeves are great for all-purpose intensive sports and provide increased support, enhanced stability, minimized knee pain and prevented risk of injuries to knee area during performance. Due to optimal gradual compression, they effectively reduce inflammation, swelling and fatigue as well as exercise-induced muscle soreness. No slipping thanks to innovative silicone grip.
Lightweight, strong, and specially weaved seamless structure without motion restrictions provides perfect comfort.
Note: The package contains one (1) Knee Sleeve.
The four numbers on a disc tell you the discs’s flight characteristics: speed, glide, turn, and fade.
Lower speed ratings typically translate to a disc being easier to throw, but may not go as far. Higher the speed, further they’ll fly, but they are more difficult to throw.
Glide tells you how much it wants to stay in the air.
Turn indicates how much it wants to turn to the right at high speeds. -4 will turn more than -1.
Fade tells you about the end of the flight. The higher the number, the stronger it will finish to the left.
Try Any Disc, Risk-Free for 60 days
Not sure if a new disc is right for you? Play it, test it, and if it’s not the perfect fit, return it, used or unused, within 60 days for 50% back as a Powergrip gift card. No stress, no guesswork.