Buy your open-minded parents a onesie like this. Always good to make this whole conversation what it should be about, all choices are ok.

• 90% baby ribbed cotton, 10% Polyester
• 3 Snap button closure
• Overlapping shoulders, cuffs, and leg openings
• Available in four sizes: 3-6 months, 6-12 months, 12-18 months, 18-24 months