While the Judge and Warden from Dynamic Discs each have their own opinion

Disc designer Tomas Ekström has the word:

the Proxy is able to lock in with a similar high-speed stability as the Envy

Friction Gloves DG Left Hand

A5 400 Color:Green While the Judge and WardenThe Prodigy A5 is a slightly overstable approach disc that will work in to be a straight flyer. It has a nice, smooth feel with a shallow profile and flat top, which makes it ideal for sidearm approaches. It can handle torque well and has a mild finish on the end, so it won't skip too far from where it lands. SPECIFICATIONS: Diameter: 21. 3cm Height: 1. 9cm Rim Depth: 1. 4cm Rim Width: 1. 2cm Min Weight: 170g Max Weight: 174g Stability: Slightly