Related Clues:

• Amount
• Petite, e.g.
• See 68-Across
• Petite or large, e.g.
• Assess, with 'up'
• Proportions
• Medium, e.g.
• Small, medium or large
• S or M, e.g.
• M or L, e.g.
• Magnitude
• One may fit all
• Fitting decision
• Number of shoes?
• Dimension