Adorable Baby Boy Summer Gentleman Birthday Suits for Newborn Party Dress
Size guide — find the right age
Pick by your little one's age. If they're between sizes, size up for longer wear.
| Age | Height | Weight |
|---|---|---|
| Newborn · 0–3m | 56–62 cm | 3–6 kg |
| 3–6m | 62–68 cm | 6–8 kg |
| 6–12m | 68–80 cm | 8–10 kg |
| 12–18m | 80–86 cm | 10–11 kg |
| 18–24m | 86–92 cm | 11–12.5 kg |
| 2–3y | 92–98 cm | 12.5–14 kg |
| 3–4y | 98–104 cm | 14–16 kg |
| 4–5y | 104–110 cm | 16–18 kg |
| 5–6y | 110–116 cm | 18–20 kg |
| 6–7y | 116–122 cm | 20–23 kg |
A general guide — fit may vary slightly by style. When in doubt, measure your child's height and choose the closest range.
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Free shipping on orders over $100
30-day easy returns — love it or send it back
Gentle on delicate skin — soft, tested materials
- Description
- Fabric & care
- Shipping & returns
First birthdays deserve a little formalwear, minus the fuss. This gentleman suit dresses your boy in a collared, button-up romper with coordinating belt pants — the full dapper look, engineered in soft cotton with short sleeves so he stays comfortable through cake, photos, and the inevitable party meltdown. It is the outfit the birthday banner photos are made of.
- Coordinated gentleman-style romper and belt pants set
- Cotton fabric
- Shirt collar, short sleeves, and button-up closure
- Birthdays and formal occasions
Care: follow the garment label for washing.
Soft, breathable cotton chosen to feel gentle against delicate skin. Machine wash cold on a gentle cycle with similar colours, and tumble dry low. Skip the bleach to keep colours looking new.
Free shipping on orders over $100. Most orders ship within 1–2 business days. If the fit isn't right, get in touch and we'll gladly help with an exchange or return.