Details Not all quarter zip running tops are created equal. The Men's Challenge Quarter Zip from Saucony is built for those who want it all; performance, comfort, and style. The Challenge Quarter Zip is built from recycled polyester and spandex for a breathable and stretchy top that provides lightweight warmth for when the temperatures drop. The active fit combined with stretch woven panels and offset side seams make this top unbelievably comfortable whether you're running or lounging. While it's a great top for wearing around the house, this top is serious about performance and can be layered easily for even colder days. The casual style of the Challenge Quarter Zip makes it a great option for anyone and any purpose, from the recreation path to the city streets. Material 90% Recycled Polyester, 10% Spandex Fit Active fit Details Reflective zipper and logo marks for increased visibility Stretch woven panels at shoulder add dimension Offset side seams improve range of motion Thumbholes at ends of sleeve for colder weather Saucony Challenge 1/4 Zip Men's