CXX X-tra Strong Moss Green is a definite favorite of tournament bass anglers with its abrasion resistance, high breaking strength, and castability. This translates into confidence and reliability, a must if you make your living on the water. In addition to the bass market, salmon and steelhead fishermen have also come to appreciate the qualities that this line has to offer.CXX X-tra Strong Crystal Clear More anglers prefer clear line than any other color, which made CXX X-TRA Strong in the Crystal Clear color a natural addition to the family. Perfect for any water condition. CXX X-tra Strong Clear Fluorescent line was introduced to meet higher conditions, such as night fishing under a black light or when an angler must watch the line to detect strikes (flipping and drift fishing).