this work on slush:
Zardoz NOTwax - Advanced Base Treatments
other than that.. riding with 60+ is closer to swimming :-) you will have 2 good hours of snow at best. then it's soup.
2017 / 18 -4- Kirkwood days
Arbor A-Frame 158 - 09-10
Jeremy Jones Hovercraft 156 - 11/12
Subaru WRX 06 - 188K