This listing is for a men's Patagonia Regulator R1 Polartec 1/4 zip pullover top. Size medium and made from 93% polyester and 7% elastane. Used and in good condition. If you have any questions please do not hesitate to ask and thanks for looking :) Measurements: - Chest Width (pit to pit): 21.5" - Length (collar to hem): 28" - Sleeve Length (armpit to end of sleeve): 23"