Dr. Comfort Ruk Men's Therapeutic Diabetic Extra Boot Leather Lace-up Leather Leather The classic craftsmanship and sophisticated style of Dr. Comfort are desirable for anyone in search of the finest quality in a comfort shoe. Designed as a therapeutic shoe, we also provide many protective and comfort features for all to love. Dr. Comfort Gel Insert Included. Crafted from the finest leathers, our Mens Dress Collection offers true sophistication in timeless classic designs. Enjoy all day comfort with our lightweight outsoles and smooth leather interiors. Lace closure - Lightweight dress Chukka Boot shoe Shoe Cover: Leather or Suede Uppers with Seamless and Padded Lining.