This recycled pullover by Cutter & Buck is from a performance fleece composed of 70% recycled polyester, 23% poly and 7% spandex for a soft hand and comfortable stretch; Featuring an innovative soft grid back fleece lining, this layering piece offers enhanced thermo-regulation and superior moisture wicking breathability to help keep you warm and comfortable on chilly days on the water. UPF 50+ sun protection factor; 7.37 oz/yd weight.