After Six Seersucker Suit Jacket The jacket features a classic two-button, single vent, notch lapel design. And modern details include darted front, four-button detail at sleeves, and flap pockets. Available in sizes 40 to 48 Regular, Short and Long. Made from 100% Cotton  jacket body lining is poly/cotton for breathability and sleeve lining is 100% poly in our signature blue stripe.