Our patented icefil technology converts your own sweat to lower your temperature by up to five degrees. Mesh underarm panels give you extra style, reach, and breathability. Moisture-wicking, UPF 50+ fabric keeps you dry and protected from both UVA/UVB rays. Fit & Design: Regular fit golf layer Ultra-smooth and lightweight to the touch Mock neck collar with 1/4-zip placket for adjustable coverage Mesh under sleeves facilitate additional airflow to keep you cool Technology: Icefil(R) technology reduces body temperature by up to 5deg 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 Additional Details: Machine wash cold with similar colors Do not bleach Do not use fabric softener Tumble dry low Cool iron if needed Do not dry clean