Venum Kontact Slip-On MMA Shin, Muay Thai, Kickboxing and Instep Guards. Comfortable Use Velcro: precise fit Stretch fabric Ships as a pair The Kontact shin guards are an essential tool for Mixed Martial Arts or Kickboxing. Striking with your shins during sparring can be dangerous for you and/or your partner if you don't use protective shin guards. Use your full striking arsenal with peace of mind with these Venum shin guards.