DANISH ENDURANCE are high quality compression socks developed by athletes for athletes! DANISH ENDURANCE compression socks provide the optimal support during all training activities such as cycling, running, triathlon, fitness, gym, soccer, rugby or hiking. DANISH ENDURANCE will increase the flow of oxygen rich blood from your heart to your legs. The better flow of blood the better your muscles will be able to perform at a high level. When using correct graduated compression socks it will prevent your legs from swelling up, you will experience more energy, less muscle stiffness and experience a faster recovery after performance. The fibers used are of the best possible quality to ensure perfect comfort. When getting a pair of DANISH ENDURANCE compression socks you get a perfect training partner that helps you perform your best. DANISH ENDURANCE compression socks are unisex and available in 3 sizes: – US 5-8 // EU 35-38 // UK 3-6 – US 7.5-9.5 // EU 39-42 // UK 7-9 – US 10-13 // EU 43-47 // UK 9.5-12.5 Calf width Foot size // Calf size US 5-8 // 9.4-11.8 inch US 7.5-9.5 // 12.2-14.6 inch US 10-13 // 15.0-17.3 inch Material: 65% Polyamide, 20% Elasthan, 15% Lycra. Washing instructions: Water temperature not above 40C or 105F Do not bleach Dot not iron Do not tumble dry Any solvent except tetrachlorethyleneSUPERIOR VALUE: These 18-21 mmHg Graduated Compression Socks are made of the highest quality materials and are very durable without compromising a fashionable look in a variety of colors. The super comfortable fit provides graduated compression from ankle to calf and the padded foot bed absorbs jarring shock, helps prevent painful blisters and the ventilated parts wicks away sweat for a cooling comfort.