Spidi Thermo Pants
Made with COOLDRY® stretch fabric, SPIDI Thermo Pants offer a high degree of thermal insulation and helps to expel moisture. It is a thermal underwear for medium temperatures, thanks to its ergonomic cut is able to follow all the necessary movements while riding the bike. Being a particular polyester dries quickly, without the need for ironing for long range tourer.
Below is the link to sizing information provided by Spidi