Related Clues:

• Shoe salesman's question
• Tag datum
• Pipsqueak's problem
• Tailor's concern
• Amount
• XXL, e.g.
• 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.