Wool-it is the backpackers ultimate friend against blisters! All natural, incredibly soft, ultralight, and biodegradable, this New Zealand products stops hotspots in their tracks! This gifts you a more comfortable and blister free hike! Simply aerate the wool and place around the hotspot. Toe blisters? Pack Wool-it in-between! Seriously its like magic. Your feet will thank you.
Want the science behind it?