Foot measurements

• A (line) — Foot length, from the heel to the tip of the longest toe
• B (line) — Foot width, across the widest part of the foot (the ball of the foot)

• C (around) — Foot girth at the widest/most convex part (around the ball of the foot and instep)
• D (around) — Instep girth (over the highest point of the foot's arch/instep, under the sole)
• E (around) — Oblique (diagonal) foot circumference, from the ankle around the heel and instep at an angle
• V1 (around) — Thigh circumference (upper leg, near the crotch)
• H1 (line) — Height from the floor to thigh level (V1)
• U (around) — Knee circumference
• H2 (line) — Height from the floor to knee level (U)
• O (around) — Calf circumference
• H3 (line) — Height from the floor to calf level (O)
• P (around) — Ankle circumference
• H4 (line) — Height from the floor to ankle level (P)