A hybrid shell style featuring a high medial profile and lateral heel clip.

Lab Standard Description

  • Semi-rigid Polypropylene shell,
  • 16mm heel cup,
  • Medial and lateral flanges,
  • Roberts Whitman grind,
  • Extrinsic rear-foot post with Nylon strike plate,
  • Vinyl or 1.5mm Puff top cover (depending on foot size).


  • Extreme over pronators in athletic or Oxford style footwear

Optional Shell Materials

  • None

Control level 5 Note: Sometimes better tolerated and accommodated than a UCBL shell style.