The Phenix Twin Peaks mens ski jacket 2019 is an insulated jacket and is 20,000 waterproof and breathable and the outer is a four way stretch twill. The seams are critically seam sealed and adding to the breathability there is under arm venting. The inner stretch cuff has thumb holes. The snow gaiter has anti slip elastic and the hem has an adjustable draw cord. There are plenty of pockets as well as a ski pass pocket on the sleeve. The fit is regular.