Sun Protection blocks harmful UV rays;Anti-microbial treatment prevents odors & bacteria build-up;Extended fast wicking sweat zones accelerates drying;Durable, pilling resistant fabric extends product life;Raglan sleeves provide extended range of motion and reduce discomfort from straps and harnesses;Dries fast, resists wrinkles;Regular Fit allows for room to move and work;Tagless neck label gives a comfortable feel