K-Swiss Women's Hypercourt Express 2 Sneaker in Barely Blue Size:5.5 these sunglasses are made of

these sunglasses are made of Grilamid TR-90

15+ Hours on a single charge

Prevent sheering force

Innovative integrated Ice-Wall™ design delivers extended thirst-quenching hydration even for longer runs

no-slip heel tab

K-Swiss Women's Hypercourt Express 2 Sneaker in Barely Blue Size:5.5 these sunglasses are made ofK Swiss best selling shoe, the Hypercourt Express 2, is light, comfortable, breathable, and has a generous fit, making it the ideal choice for a variety of playing styles and levels. Durawrap Flex, gives the shoe support with no break in period, while Surgelite midsole technology provides all day comfort. Synthetic Leather Upper Textile Collar Lining Rubber Outsole CMEVA Midsole Molded Ortholite x40 Sock Liner Lace Closure