Add an infused layer of advanced liquid crystal polymer doohickeys, basically spider webs, and you get a layer of protection from flats that is 5x's stronger than steel, far harder than the major competition of the Aramid compound in other brands and reduces the weight from even a standard nylon casing. Double Vectran is two layers of this insane level of protection
DuraSkin® sidewall protection equipped tires can take some serious abuse. They are used under the harshest conditions such as messenger bikes, the tires skid along curbs; on touring bikes, they cross continents without wearing out; in racing, they endure tough tests such as the Paris-Roubaix. The sidewall is protected with a high-quality polyamide fabric.