Hygenic/Performance Health Moldable Thumb Spica. Heat moldable thermoplastic stay for superior immobilization and comfort. Easily adjustable using a heat gun or hydroculator to accommodate pressure points and swelling. Incorporates a comfortable terrycloth interior treated with an antimicrobial agent to help keep the brace clean and odor free. Non-stretch hook and loop closure straps at the wrist and thumb ensure proper immobilization. Non-sticky greaseless spray. Dries fast. For treating athlete's foot, jock itch and ringworm.