Premium blister prevention - Wool&';s natural properties perform wonders, providing cushioning, wicking moisture, reducing friction, preventing blisters, and promoting breathability. This makes WruA(R) perfect for hiking, running, cycling, skiing, team sports, and other active endeavors. Wru is delicately washed and carded, lanolin-rich, 100% premium New Zealand wool. Depending on how liberally you apply, each 0.75-ounce package contains enough for 20-30 applications.