Stretched long johns with ultra-flat seams. Advanced technology knitted fabric with high breathability 3D knitting inserts for maximum cooling in hot condition that alignes with the breathable inserts of 'One' range suits and TECNICA EVO suits - dry system tecnology. Advanced Dry System for breathability and cooling Cutting edge technology with 3D inserts and flat seams FIA 8856-2018 Approved for motorsport