Classic Seersucker Shirt at Cotton Traders The Seersucker Suit Guide: 8 Rules to Ace Your Look Fabric Guide: What is Seersucker? OROMEN Seersucker Overshirt Sage THE RESORT CO. Relaxed fit short sleeve aloha overshirt. It features a slightly dropped shoulder, straight hem, camp collar, and button closure. Made out of seersucker, a lightweight fabric. Ethically made from organic cotton, recycled poliamide and poliamide.