Dubarry Kilrush Socks Navy. Keep your feet warm and feeling fresh with the Dubarry Kilrush Socks. Featuring a medium weight feel, the Kilrush Socks offer a long sock with a PrimaLoft design to en-sure your feet will stay toasty warm all day long! With a asymmetrical design â€\\\" the socks are made to fit either the right or left foot due to the compli-mentary design for optimum comfort. The Kilrush Socks features reinforcement in the Achilles with a strong polyamide material to prevent wear, rubs or blisters and come complete with an elasticated grip section for improved fit and support and a turned in cuff for comfort.