The beautiful, colorful, Dry Eco Foam footbed of this style is adorned with art by Hawaiian artist and Rider ambassador Colleen Wilcox. The shoe also has a feminine, gradient-colored upper. Rider makes some of the most popular casual sandals available, and millions worldwide adore them. Thoughtfully designed and beautifully durable, Rider sandals and thongs are made to conform to your foot, cushion every step, and accommodate your natural gate. Material: Synthetic.