Shop men’s long johns from Hemen Biarritz, made in Portugal from soft GOTS-certified organic cotton rib jersey. Designed as a close-fitting cold-weather base layer, the Ikar Longjohns sit comfortably beneath jeans or trousers and include gentle stretch for easy movement. Choose from versatile black, grey, navy and stone colourways, with a pre-washed finish that helps maintain the fit through regular wear and repeated washing.