92% nylon, 8% polyurethane; Icefil technology reduces body temperature by up to 5 degrees so you stay comfortable on hot humid days; UPF 50+ offers superior sun protection; Moisture-wicking, fast drying fabric keeps you comfortable; Antimicrobial for odor protection; Ultra-smooth and lightweight to the touch; Mesh under sleeves facilitate additional airflow to keep you cool; Long sleeve; Machine wash cold with similar colors