20 tennis racquet string uses innovative co-polyester monofilament fiber to get the job done

excellent resilience in all racquets

Net tension adjustment straps for precise

The NANO Core surface helps channel blood directly to the tissue for health and mobility

overworked muscles of the hands and feet

Cadence EX Insoles COLLECTION-Type-Sport Watch Accessories 20 tennis racquet string usesFeel the difference with Cadence EX Insoles! Designed by a physical therapist using customer feedback, these insoles combine shock absorption and support to keep you comfortable. A soft foam conforms to your foot at the heel and toe for energy return and pressure relief. If you're dealing with various foot, knee, hip or back injuries, try Cadence EX Insoles! Unique orthotic shell provides semi rigid support while relieving pressure under the heel.