Simplicity Baby 9484 - Babies' Rompers
Bib front bubble features center pleat at front and back, can be made with or without sleeves and has options for appliques and trim. Yoke front bubble has flounced or gathered sleeves and options for trim and appliques.
All views have back neck opening with button closure and snap tape at leg openings.
Sizes: XXS-S-M-L (newborn to 18 months)
Suggested fabrics: bodysuit and leggings in knit fabrics only, and the sack can be made in fleece. Everything else in light to medium weight woven cottons (for breathability).
See image for fabric requirements and measurements.