Terramar Thermolator II 2.0 Pant Features: ec2(R) Qwik-Dri (TM) Thermoregulation -Comfort Technology Anti Microbial for freshness Soft breathable and fast drying UPF Rating 25+ 360 Degree Stretch Jersey And Mesh All Flat Seam Construction 86% Micro Polyester 14% Spandex 180 grams Style number W7539