96% polyester, 4% spandex; Aqua shield woven (polyester/spandex)/ dri-force mesh (polyester/spandex); Mesh elastic waistband with interior drawcoard; All over wicking woven stretch fabric with breathable mesh back yoke; Breathable and stretchable fabric; UPF 50; Mesh elastic waistband with interior drawcord; Side hand pockets; Hidden closure side panel pockets