Furygan Sparrow 37.5 Black The Sparrow 37.5? will surprise you with its lightness and comfort. Designed in modern materials, it redefines the ergonomics of winter gloves thanks to the use of recognised technologies such as 37.5? and the Furygan experience.37.5? Technology: A Revolution in Riding Gloves. Removing moisture from gloves keeps you comfortable longer, extending your ride. When on the bike you need to be prepared for any change in climate. 37.5? Technology in Furygan gloves removes moisture before it builds to sweat, keeping hands dry from the inside.37.5? is a thermoregulation technology that interacts with the body and triggers off of humidity. It’s powered by naturally occurring, activated particles.Palm reinforcement.Reflective inserts.Waterproof and breathable liner.Winter thermal liner.37.5? technology (lining and padding) which captures and releases moisture vapour.Furygan Sensitive Science insert for touchscreen devices.Goat leather and textile