Made of Pro WikMax, the choice of pro soccer players linke Tony Sanneh. PRO WikMax wicks sweat away 30% faster than the competition & has 4-way streach making this the most comfortable compession short you can buy. Made in USA, this super durable fabric is guaranteed to last. Fabric- "Pro WikMax(tm)" 70% polyester 18% polyolefin 12% spandex