The R4K features a revolutionary Koroyd™ core with superior impact absorption and a reinforced nylon upper shell. The chassis has been completely redesigned to be lighter and more aerodynamic.

• Koroyd® engineered core construction
• Reinforced exterior impact shell
• Rapid lock closure system for easy front entry
• Integrated X-Strap cleats are compatible with TUG Tops
• EVA base absorbs impact energy
• Weight: Adult – 521 grams