General description of the FSSK-YJS-PRO / YJS PRO model - Frameless
The YJS PRO Freestyle skates are a competitive and advanced freestyle inline skate model, focusing on performance, control, and maneuverability.
Main features :
Product inspired by Korean figure skater Yu Jin Seong — developed to meet the demands of competitive skaters.
Boots made of carbon fiber , which provides lightness, strength, and excellent energy transfer.
Aerodynamic design for maximum precision and control of movements.
Unique anatomical lining with heel support system that aids in lateral stability and controlled flexion.
Full carbon cuff (tail/shin) — provides better ankle support and facilitates the execution of tricks with the heel and toe.
Freestyle UB frame structure that offers agile control and quick response.
Typical freestyle/slalom wheels and frames can be adjusted for rockering (maneuverability), with lengths such as 219 mm / 231 mm / 243 mm depending on the chosen configuration.
🧠 Brief description of design and performance:
The Freestyle YJS PRO are inline skates designed for advanced intermediate and competitive skaters, featuring a high-performance carbon boot, reinforced ankle support, a freestyle-specific frame, and excellent response for technical maneuvers , especially in slalom and urban freestyle.
✨ Summary of what this model represents:
High-performance skates
Focus on freestyle and competitive slalom.
Premium materials (carbon fiber)
Design inspired by professional athletes.

