The Obermeyer Ultra Gear zip top is perfect for a first layer and incorporates flat seaming for maximum comfort. A 1/2 zip makes for easy, unrestricted dressing and the fleece lined collar keeps out the chill... they'll be warm and dry both inside and outside. Fit: Regular FABRIC: 100% Polyester Teddy Bear Fleece 176% Polyester 22% Rayon 2% Elastane 1/2 zip Flat seaming for maximum comfort Fleece-lined collar