Possible Clues:

• Hardly cramped
• Not tight
• Heath brought up on foremost of yachts, very spacious
• Extensive stretch of dry moorland to the north
• Not cramped low in your back
• Like a successful dieter's clothes
• Like limousines
• 'A gentlman of bland aspect with a -- forehead' (Thackeray, The Newcomes)
• Having big space hopper, mainly outside
• Not cramped at all