Possible Clues:

• Serve up in best protective cover
• Protective cover on boot or shoe
• Pump reinforcement
• Protector on foot gets to damage sleeveless cloak
• One's turned over in upper part of shoe
• Walk steadily, returning after to part of Oxford?
• Perhaps Oxford's leading element needs to step up
• Steel part of a work boot
• Reinforcing shoe tip
• Boot option to raise speed