The Spere SL Jacket is a superlight design featuring a front zippered closure, shirt collar, structured chest pocket, and internal pocket. Crafted with Ondritex, a breathable, quick-dry textile that offers next-to-skin comfort and a natural hand feel. What's been updated: Updated with a ligther-weight Ondritex™ material, chest pocket, revised collar, and fit. More styles include the Spere SL Short , Spere SL Blazer , and Spere SL Pant .