black fourth generation(黑色第四代) white fourth generation(白色第四代) black sixth generation(黑色第六代) white sixth generation(白色第六代) 2 spring black second generation (left foot)(2弹簧黑色第二代（左脚）) 2 spring black second generation (right foot)(2弹簧黑色第二代（右脚）) 2 spring white second generation (left foot)(2弹簧白色第二代（左脚）) 2 spring white second generation (right foot)(2弹簧白色第二代（右脚）) 4 spring gray second generation (left foot)(4弹簧灰色第二代（左脚）) 4 spring gray second generation (right foot)(4弹簧灰色第二代（右脚）) 4 spring black second generation (left foot)(4弹簧黑色第二代（左脚）) 4 spring black second generation (right foot)(4弹簧黑色第二代（右脚）) 4 spring white second generation (left foot)(4弹簧白色第二代（左脚）) 4 spring white second generation (right foot)(4弹簧白色第二代（右脚）)

size s (35.00 kg-45.00 kg single pack(S码（70-90斤）单只装) size m (40.00 kg-52.50 kg single pack(M码（80-105斤）单只装) size l (53.00 kg-67.50 kg single pack(L码（106-135斤）单只装) size xl (68.00 kg-82.50 kg single pack(XL码（136-165斤）单只装) size xxl (83.00 kg-100.00 kg single pack(XXL码（166-200斤）单只装) customizable size(可定制尺寸)