- comfort toe seam- anatomical left/ right fit- comfort foam in step padding- in step flex zone for reduced wrinkles- comfort ribbed to prevent skin irritations- contoured heel for support, comfort and protection- abrasion resistant and shock absorbing bottom- ribbed arch for improved calf fit- polypropylene toe cushioning- ankle bone comfort paddingspecifiche:- materiali: 36% acrilico, 4% elastan, 20% poliammide, 40% lana merino