When traveling to teach and practice yoga outside, we are often asked questions by yoga students on how to choose the right outdoor mat. There are many choices when looking at yoga mats and we love the eco-friendly, sustainability and texture of cotton yoga mats.For many years, most yoga mats were made with PVC -- these pvc yoga mats are the plastic sticky mats at your local yoga studio or in stores. They are often mass produced and may be toxic. Learn about what is in your yoga mat and your options for mats that are eco-friendly and chemical-free.When choosing a yoga mat, there are several factors to consider. The first and most important is material. While there are many different kinds of materials for yoga mats, such as rubber, foam, or PVC plastic, the best option is typically something that is eco-friendly. The color of your mat is also important.