Norse Projects Jens Ripstop Nylon Shirt in Navy. Crafted from a lightweight nylon ripstop material, this shirt is an ideal piece for layering at this time of year. The shirt features long sleeves with two chest snap pockets and a centre snap button fastening. The shirt features Primaloft insulation which expresses both warmth and comfort. This shirt is breathable and practical for the casual days in a relaxed navy colour-way.