Ryka Casual, Running, Walking and Training Shoes and Sandals for women. Ryka works to create performance athletic fitness products for women. Ryka's mission is to enhance women's lives through fitness. Ryka shoes are made exclusively for women. All of their shoes are made in the mold or shape of a woman's foot, featuring a narrower heel and wider forefoot.. They are also designed for a women's unique fitness needs. Outstanding fit and exceptional comfort consistently place Rykä shoes among the highest rated in the industry.