If youre invested in getting the most out of your winter training but dont want to spend time worrying about unpredictable weather conditions, then the Tutto Nano Bib Shorts are a sound choice.As with every Castelli garment, the Tutto Nano Bib Shorts have been explicitly designed to give you the very latest fabric technology in a beautifully crafted format.The Nano Flex 3G fabric used across the garment utilises a combination of newly updated durable water repellent (DWR) treatment and mechanical heat treatment to give previously unheard-of levels of rain protection. Light rain beads off the fabric, keeping you dry when those inevitable rainy spells descend.On the inside of the Nano Flex 3G fabric, a super soft finish and the optimal loft have been achieved through Castellis meticulous research and development. The fabric feels phenomenally comfortable against the skin and the loft traps just the right amount of air above the skin to keep your heat regulated over a wide range of aut