NIKE Men's Heritage DF Twill Adjustable Cap Dark Base Grey/White Dri-FIT high-performance polyester fabric keeps you dry by wicking perspiration away from your body and towards the surface where it can evaporate. Six panel design with interior taping for durability and comfort Adjustable strap with hook and loop adjustment at back for a snug, custom fit. Embroidered eyelets for maximum breathability. Materials: Body: 70% nylon, 24% polyester, 6% spandex.