These Timberland Pro footbeds feature contoured FCX Technology arch support that's engineered for natural dynamic position, promoting injury prevention and fatigue reduction. They provide support, absorb shock, and return energy back to the foot. They also feature FCX Technology to utilize ergonomic data and research from over 120, 000 foot scans. Ortholite provides a top layer of cushioning, comfort, and moisture management and have a mesh lining with Agion antimicrobial treatment for odor control and comfortable feet. | Timberland PRO Anti-Fatigue Technology Insoles with Insite Technology in Black | Size XS