FINAL SALE - NON RETURNABLE Blocked with different colors and fabric structures, the Castor Mid Layer makes for a striking athleisure piece. Specifically designed to keep you warm in cold weather, it's made from our Tech Mid fabric which has air pockets built into its structure for added insulation. It has a regular fit and features a stylish baseball collar and contrast raglan sleeves as well as a practical 2-way zip closure. Wear it as a stand-alone piece or layered under one of our water-repellent shell jackets in bad weather.