Achilles tendon support that protects the Achilles tendon and restricts ankle movement. - Brand: ZAMST - Model Name: AT-1 - Type: Achilles tendon support - Features: Design to protect the Achilles tendon - Function: Restricts ankle movement - Usage: Support for sports and daily life - Size: L I tried it on once indoors, but the size didn't fit, so I'm selling it. Thank you for looking.