Top summer socks blue xl (48-50). short summer socks with coolmax structure to have dry foot and freshfx antibacterial treatment and against bad odors. composition: 76% polyester coolmax freshfx, 18% nylon, 3% elastan lycra, 3% cotton. use: agriculture, construction, industry, logistic cleaning and for hot environments. for men and women. against heat, not detectable by metal detector