< Topic > It is possible, suppresses the excessive wobble of the gastrocnemius, to support the gastrocnemius from up and down left and right without inhibiting the movement of the Achilles tendon, it offers the supporter for the below the knee which can lighten the fatigue of the wearing person. As for the supporter for the below the knee, under the knee the 1st anchor section on 2 which securing it can point the tubed knitting fabric and the ankle as the 2nd anchor section on rear side of 3 which securing it can point the tubed knitting fabric and the tubed knitting fabric, gastrocnemius it is formed by the abbreviation X shape of character condition which is crossed in the part vicinity where corresponds to the join section 102of a 101 and Achilles tendon 102, concatenating two destals in the knitting fabric of abbreviation X shape of character condition to 1st anchor section 2 respectively, it supports gastrocnemius 101, the other two destals in the knitting fabric of abbreviation X shape of character condition in 2nd anchor section 3 each oneConcatenating, extending the gastrocnemius supporter 4 who is present and, it has for both edge of the Achilles tendon.< Choice figure > Drawing 1【課題】 アキレス腱の動きを阻害することなく、腓腹筋を上下左右から支持することができ、腓腹筋の過度の振れを抑制して、着用者の疲労感を軽減することができる下腿用サポーターを提供する。下腿用サポーターは、膝下に筒状編地を締着させる第1のアンカー部2と、踝上に筒状編地を締着させる第2のアンカー部3と、筒状編地の背面側に、腓腹筋101及びアキレス腱102の結合部102aに対応する部分近傍で交差する略X字形状に編成され、略X字形状の編地における二つの端部を第1のアンカー部2にそれぞれ連結して腓腹筋101を支持すると共に、略X字形状の編地における他の二つの端部を第2のアンカー部3にそれぞれ連結してアキレス腱の両縁部に延在する腓腹筋支持部4と、を備える。【選択図】 図1