Vicky Perf. The styles are carry over styles but with perforation on the uppers to make them more summery. This TR, Extra light outsole has trans-lucid pads which are anti-slip and very gummy and soft. The construction of these shoes is Strobel which allows for greater flexibility and better adjustment. Leathers are very soft tumbled with a slight grain. Elastic trims are featured for adjustability and comfort. Removable "4D Technology" footbed for lateral stability and arch support with metatarsal cookie to ease pressure on the toes. The 4D footbed has a layer of Carbosan on top for shock absorption and soft cushioning. Zipper treatment on Victoria boot for easy entry. All styles are lined with our special onSteam material which is breathable and soft. This onSteam material used on our sockliners.