To make this fleece even better jack wolfskin have added stormlock double rip shoulder inserts to improve the durability and protection this fleece has to offer adding a water repellent and windproof performance this fleece is the ideal throw on for your outdoor trips features lightweight warmth high loft nanuk 200 textured fleece retains warmth without any bulk durable shoulder inserts stormlock double rip shoulder inserts creates a tough water repellent and windproof performance fixe