UPF30 protection; Cooling technology for added comfort; Wicking moisture management; Odor resistant antimicrobial protection; Long 1/2 body length YKK main zipper for easy on and off functionality; Water resistant welded chest pocket with YKK zipper; Ergonomic thumbholes; EST Zoned upper: 6oz / 200 GSM 88% Polyester /12% Spandex high stretch knit; Cooling zoned lower & back: 4.7oz / 160 GSM 92% Polyester / 8% Spandex with micro vent holes for maximum breathability