G305 and GProWL Hyperglides! (More info in the comments) : r/MouseReview
Corepad.de - Corepad Skatez PRO 138 Mouse-Feet Logitech G304 G305
Amazon.com: Hyperglide Mouse Skates for The Logitech G Pro, G102, and G203 (GP) : Video Games
Amazon.com: 2 Sets of Hyperslides Rounded Curved Edges Mouse Feet, Mouse Skates, Mouse Pads for Logitech G Pro Wireless Gaming Mouse Feet Replacement (0.8mm, Smooth Glide, Pure White PTFE) Pro Performance Upgrade :
Amazon.com: 2Sets Hotline Games 3.0 Plus Rounded Curved Edges Mouse Feet Skates Compatible With Logitech G304 G305 Gaming Mouse feet Replacement (0.7mm,Smooth Glide Pads,Pure White PTFE) Professional Mice Upgrade : Video Games