The sliding scale for 3G shoes goes like this:
Soles( most slide to least slide ):
#2 Felt
#3 Chrome leather
#4 Deerskin
#5 Oiled leather
#6 Backskin
The cleat sole is made from the #5 Oiled leather material but has multiple cutouts for inserting the following cleats:
#1 Teflon
#2 Felt
#3 Chrome leather
#4 Deerskin
#5 Oiled leather
#6 Backskin
Heels( most slide to least slide ):
#1 Backskin
#2 Flat hard rubber( grey )
#3 Flat normal rubber( white )
#4 Grooved heel
#5 Rippled heel
The Adjust-a-heel is made from the #3 Flat normal rubber but has three(3) inserts made from sole materials to customize your amount of braking from your heels:
#2 Felt
#4 Deerskin
#6 Backskin
With these options you should have no trouble customizing your slide.