6.6 OZ. 100% polyester fleece. Thermal anti-pilling fabric provides an extra layer of warm comfort. UV Block technology keeps skin safe from the sun's harmful rays. UPF 50+. Banded collar. Front entry pockets. Callaway signature zipper pull. Heat seal label provides tag-free comfort. Callaway TOUR logo embroidered on r Callaway - Men's Houndstooth 1/4 Zip Pullover