The Patagonia Lightweight Synchilla Snap-T Pullover is constructed with a midweight polyester, double-sided fleece; creating a warm, cozy and layerable interior and exterior. Signature features and details include: a four-snap placket, stand-up collar reinforced with nylon trim, a chest pocket with a nylon flap and snap closure, plus spandex binding at sleeve openings and hem. Spandex binding at sleeve openings and hem, Hip length, Yoke seam detail with nylon chest-pocket flap and snap closure, Nylon trim on stand-up collar reinforces classic Snap-T four-snap placket, Midweight, Exterior Material: 100% Polyester, Warranty: Lifetime, Type: Fleece, Jacket Fit: Regular, Length: Hip, Warmth Factor: No Insulation, How Does This Fit?: True To Size, Model Year: 2019, Product ID: 555847, Model Number: 25455 NENA S, GTIN: 0191743583230