Wilson makes some impressive durability tweaks to their natural gut. The result is a slightly firmer feel, butmake no mistake, this string offers truly outstanding comfort.This high-quality natural gut uses only top quality beef serosa to produce a consistent and responsive string.It also delivers easy power along with better tension maintenance than any synthetic stringon the market.If you are looking for ultimate feel and arm-safety, this is the perfect string. Strung as afull bed, this Wilson Natural Gutoffers truly luxurious comfort. It will also add power and comfort to any hybrid.