evo.com | Black Diamond Midlayer Vests > The Black Diamond First Light 1.0 Stretch Vest is built for those early starts when the air's still cold but you know the effort's about to warm you up. PrimaLoft(R) Gold Active insulation keeps your core warm, while a merino wool back keeps you comfortable long after the sun says hello. Regular Fit Shell 1 20D Nylon Stretch Ripstop with DWR / 100% Nylon / 47gsm Concealed Zip Chest Pocket Two Zippered Hand Pocktes Center Back Length 28in | Black Diamond First Light 1.0 Stretch Vest Men's 2027 - X-Large Black | Nylon/Wool