Like the entire Rain or Shine (RoS) collection from Castelli, the RoS 2 Shoecover makes any weather good weather. Designed to perform equally well in the sunshine or the wet the RoS 2 Shoecover provides insulation as well as protection from light rain and road spray.The front of the overshoe is made from Polartec® Power Stretch®. This fleece lined fabric provides extra warmth where your foot is most exposed to wind chill. Water repellent and highly breathable, it will help keep your feet almost completely dry in the wet while also wicking away any internal moisture build up so your feet won’t feel clammy or uncomfortable. The fabric’s four-way stretch helps the RoS 2 Shoecover snugly fit over your cycling shoe. 3-layer fleece-back waterproof side panels complete the body of the RoS 2.At the back of the bootie a YKK® water resistant zipper stops water entering and a reflective heel cap keeps you seen.Key FeaturesCastelli Rain or Shine label means this product excels in both dry and wet conditions,Polartec® PowerStretch® fleece liner provides extra warmth at front,3-layer fleece-backed waterproof side panels,YKK® water resistant zipper,Reflective heel cap with pull tab for easy on and off,0° – 14°C / 32° – 57°F,Weight: 155g (Pair).