The RST Thermal Wind Block Pants are a welcome addition to the RST Undergarments range.RST Thermal Wind Block material constructionWind resistant with compression technologyHigh line neck with profile fitJacket will help maintain body core temperatureBrushed cotton interior with Roubaix LycraContrast stitchingTested in the toughest weather UK has to offerThe RST Thermal Wind Block Pants have been constructed using a brushed cotton interior for warmth and comfort, and then Roubaix Lycra for a profile fit with a high neck line. Due to the profile fit, this is a great addition to use under Leather or Textiles.The Gilet has a RST Thermal Wind Block construction which is wind resistant and uses compression technology to help maintain the core body temperature of the rider. The RST TWB fabric offers more than just wind protection; the ergonomic design is enhanced by a four-way stretch material with stretch and compression properties. This helps keep the muscles warm, reducing muscle strain a