360 lacing system for comfort and secure fit Eva heel cup enhances shock absorbtion for added comfort Nowadays the traditional boat shoe has grown into a wonderful collection of shoes for all different occasions and fitting in many outfits. Modern and colorful, classy and high quality. The Sperry Top-Sider shoes are available in over 25 different color settings, mainly based on the marine theme. Materials vary from light suede to linen, canvas and high quality napa.