Fit & Design: Long sleeves Mock neck collar with a ½ zip Breathable mesh undersides on the sleeves facilitate additional airflow to keep you cool Ultra-smooth and lightweight to the touch Technology: IceFil® technology reduces body temperature by up to 5° so you stay comfortable on hot and humid days UPF 50+ offers superior sun protection Moisture-wicking, fast-drying fabric keeps you cool and dry Antimicrobial technology provides odor protection