The New Dyna Shin Guards from Macho are made from foam dipped vinyl and have a contoured design to make them fit more comfortably then competing designs without sacrificing protection or durability.The Dyna Shin Guards are 5/8" thick and protects the area of the leg from below the knee to just above the ankle. The Dyna Shin Guards is an excellent choice for anyone seeking an extra bit of protection for their martial arts training.