Grooved under-rim for extra glide. Or at least, that is the idea.
D5 by Prodigy Disc

PDGA Official Specifications
Diameter:
21.1 cm
Height:
1.6 cm
Rim Depth:
1.2 cm
Rim Width:
2.4 cm
Max Weight:
175.1 g
Date Approved:
29-Aug-13
Who is the manufacturer?
The X-Out Prodigy D5, 400 is made by Prodigy.
What is the disc model?
This is the D5. Check it out on our famous Flight Guide! You can also check out more D5 discs here.
What type of disc is this?
This disc is a Distance Driver.
What are the flight numbers for this disc?
The flight numbers are 12 / 6 / -4 / 2. Flight numbers are displayed as Speed / Glide / Turn / Fade. You can compare this disc on our Flight Guide too.