Choose the right gear for your climate���S1 for above freezing, S2 for below. Profila softshell fabric for water resistance and windproof protection in cold and wet conditions. Provides biomotion visibility to ensure you're seen by motorists day or night. YKK zipper makes for easy on and off. Designed for use with road or mountain shoes for maximum versatility. The reflective main materials enhance bio-motion visibility for maximum safety. A fitted cut provides streamlined shoe fit even with dial and buckle closures.