- Elastic Arch Support – This minimize Friction And Supports The Plantar Arch Of Your Foot
- Extra Padding On The Metatarsal Provides Abrasion Protection From Your Shoes Lacing
- The Rear Heel Tab Helps With Slipping Your Socks On and Off
- CatalystAF – A Patent-Pending Design Which Creates Airflow In The Fabric To Induce Airflow
- COOLMAX Fabric Is Designed To Move Moisture Away From The Body Keeping You Feeling Cool And Dry
The Ru Running Series is about innovation, with extra padding on the metatarsal provides abrasion protection from your shoes lacing, you won’t get any more bruises after a long run. There is also a thin micromesh fabric to allow your feet to breathe.