ok this concept seems hard for people to grasp but here it is fellas.
BTX= Banana+magnetraction aka banana tractio
MTX= regular camber+magnetraction.
to my knowledge lib tech and gnu do not even offer a banana without mtx because technically they have less control on hardpack. i would say mtx more then compensates for it though.
Lib Tech Skate banana
Burton [ak] 2l Cyclic Jacket
Holden Northfield 3L pants