Born from some of the most advanced rod building technologies to date, the St. Croix PHYSYX Casting Rods are the new master of matter, motion, energy, and force on the water. This series' distinctive designs and materials come together for the ultimate experience in performance and efficiency. More than just another rod in your line-up, the PHYSYX is an advanced energy conductor and lever. An anthropometric design makes it a more comfortable extension of the angler's own body, offering near-bionic control, balance, accuracy, and tactile feedback. PHYSYX elevates fishermen to new heights of proficiency and achievement with a line of 25 technique-focused freshwater rods designed with science in mind to improve and progress the fishing experience. The exceptional performance of this series stems from a special fusion of technologies, materials, and design elements. SCIV+ Carbon Fiber Blanks - An exotic blend of SCIV and SCVI material creates blanks that are exceptionally refined, balanced, light, strong, sensitive, and optimized for their intended techniques and presentations. Select moderate-action reaction-bait models have i ACT Glass blanks, which are a hybrid layup of SCIV+ and 100% linear S-glass materials. PHYSYX's premium performance is enhanced by all top St. Croix technologies, including FRS, ART, IPC, and TET. Titanium Guides - All PHYSYX models receive premium, rigid titanium guides with silicon carbide rings to support maximum performance with all line types and further promote PHYSYX's supreme balance. High-Tactile TPU Grip Lines - Angler grip is enhanced in all weather conditions via strategically placed TPU grip lines that are molded into PHYSYX's handle. These TPU grip lines have been rigorously tested with respect to sunscreens, bug sprays, and other common chemical substances anglers come in contact with to ensure durability. Molded Carbon Fiber TRIGON Handle - Based on anthropometric design, PHYSYX's rigid, molded carbon fiber TRIGON handle takes angler c.