<b>We just make more concentrate on Quality & Beauty. </b></br></br> <b>This item is Patent-pending now.</b></br> </br> Packed in a mesh pocket, easy to storage and protect socks while machine wash. </br></br> <b>About Yoga Socks:</b></br></br> Name: Non-slip Women Socks for Yoga, Pilates, Ballet, Barre or aerobics exercise</br> Material Type: 80% Cotton, 15% Spandex, 5% Binding cloth </br> Washing: Hand Wash and Machine Wash</br> <b>Size Chart: </b> </br> </br> U.S. Womens Shoe: &nbsp &nbsp Small (5 - 7) &nbsp &nbsp Medium (7.5 - 9.5) &nbsp &nbsp Large (10 - 12) </br> </br> <b>About Hylaea</b></br></br> Hylaea are high quality socks that you will want to wear over and over again. </br> Our innovative socks for barefoot activities such as Pilates, Yoga, Barre, Martial Arts and more, allow your toes to roam free while keeping your soles dry and clean. </br> Hylaea are designed with anti-slip grip sole and reliable arch support to help you and your feet build confidence while exercising, without giving up the barefoot sensation of freedom and balance.</br> </br>