TIKIYOGI® Flamingo Shorts Side Groovy String Shorts. The Recycle Nylon fabric in the Mar Por Vida Side String Yoga-Surf Shorts is designed to move with flexibility and groove, fitting a wide range of customer body types. The strings on the side are designed to allow for size adjustment. This reversible style is complete with a perfect fit for your vacation or daily active lifestyle. Made out of ocean waste and recycle material.