Seirus Hyperflex Nuclear Knee
Here's what other sites are saying:
Hyperflex Insert. Breathable Neoprene. Superior compression and warmth from closed cell neoprene. Padded patella locator relieves pressure and helps prevent patellar injury. Nuclear Knee adds technical locking, dual pivot, metal hinges to help prevent hyperextension, pull on loops and Velcro adjustable support straps.
- Vargo Outdoors