The Alpinestars ZX Evo V3 Underwear Bottoms are an ultra-lightweight, highly breathable base layer that offers superior heat and flame protection with a comfortable, close fit and soft-touch feel. Featuring LENZING FR viscose fibres, this F1-specification top excels in flame resistance and effectively minimises heat transfer to keep you focused in the heat of the race.Discover its key features and benefits below:LENZING FR viscose fibres: Specialised natural cellulosic fibres provide permanent flame resistance and advanced thermal insulation, enhancing protection against heat stress and heat stroke.Jacquard mesh with diamond construction: Increases breathability and improves the stretch fit, delivering maximum airflow while maintaining the top's lightweight structure.Advanced fabric structure: Integrates moisture-wicking technology, drawing perspiration away from the skin to keep you cooler for extended periods in intense conditions.Ultra-lightweight and thin: Engineered to Formula 1