Under Armour Essential Low Cut 3pk. Essential socks – Take your training to the next level with these lightweight and breathable gym socks in a pack of 3. Functional fabric – The lightweight flat knit of the training socks gives a superior feel, while the material wicks sweat and dries really fast. Go further – The low cut socks boast embedded arch support which reduces foot fatigue, allowing you to run for longer without getting tired. Practical and stylish – Aside from a functional design and fit, the sport socks also feature a stylish raised, embossed wordmark detail on the cuff. Material and fit – Under Armour Unisex UA Essential Low Cut 3pk training socks, ankle socks for women and men. Material: 100% Polyester. Fit: Regular.