Perfect for Spring!! Product Details The St Barts Down Vest is an ultra-light and super soft 1/4 sleeve vest. Based on our popular St Ives vest. The St Barts takes the fashion stakes a little further. Taking the St Ives simplistic elegance and adding an Oil CIRE fabric treatment. We have also replaced the zipper with press buttons which gives the front a whole new look. Chic and Elegant during ALL 4 seasons Ultra Light & Super Soft Made from 100% high denier down proof nylon with an Oil CIRE treatment 750 Fill lightweight 90% down filling that is part of the RDS (Responsible Down Standard) Press button fastening on the front Conveniently packs into its own pocket.