UFM Polyester Spandex material is especially rugged and designed for more active wear. Why choose Polyester Spandex?
Note: Polyester Spandex is for the body material only on the Trunks, Standard and Long Boxer Brief. The pouch design and material is the same between the bamboo and polyester options. It is a 4 way stretch polyester mesh the with the same support level.
Briefs feature solid Polyester/Spandex pouch material the same as the body material.