Salomon S/Max eSkin X-Hard + Prolink Shift Race - Light, durable and more sustainable: With Salomon's S/MAX eSKIN you'll spend less time waxing and more time on the track. It offers precise, safe and quiet grip in all snow conditions and is ideal for runners who want to experience a real competition feeling. Simply slide in the lightweight, high-performance Shift Race binding on the baseplate to adjust grip and glide.