OLI is a simple trekking sock made of a single-layer smooth knit containing a special four-channel, water-repellent COOLMAX fibre - a polyester material, that removes moisture quickly from the skin, thus increasing physical performance and comfort during sport activities or walking. The toe and heel sections are reinforced with a smooth double-layer knit which provides comfort during walks and long durability of the most stressed areas. Material: 70% Coolmax, 13% PAD, 10% Siltex POP, 7% Lycra