Bison Powered by VnM

Bison is proud to partner with industry leader VnM Sport to bring you the "Bison Powered by VnM" ActivCool-GP (for high temp riding) and ActivThermal-GP compression tops (for temps below 60 degrees), available in two different customizable designs.


  • Intensifies cooling and dries in a flash:
    • Technologically-advanced fabrics feel like air conditioning
    • Dries over 8x faster than cotton and 2.5x faster than other leading brands
  • Targeted compression maximizes endurance:
    • Extends peak-level riding performance
    • Reduces riding-specific muscle soreness and speeds recovery
  • Rider-specific fit improves movement & comfort:
    • Seamless technology eliminates chaffing
    • Ergonomic design minimizes bunching
    • Stay-Put silicone gripper waistband keeps gear in place
    • Soft mesh paneling added under arms and on back for comfort in sensitive areas
    • Protective outer gear slides on and off with ease
  • Durable and long lasting:
    • Resists abrasion from protective outer gear
    • Does not shrink, stretch out, or stink
    • SPF 50+ sun protection