The Active Travel Buen Camino CA01512 166 anthracite short sock is made with a polyamide and Lycra fiber structure for a stable and comfortable fit. The "relax" insole with soft cotton sponge cushions guarantees high comfort, while the anti-blister insert and the "herringbone" pattern ensure high breathability and anti-odor protection thanks to the X-STATIC silver fiber . With elasticated ankle and arch bands and anti-friction flat seams, this sock is perfect for active pursuits and travel. Composition: 47% cotton, 45% polyamide, 5% Lycra, 3% X-STATIC