Bamboo Zipper Romper Size Chart — Cozy Crawlers Complete Guide
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Finding the right size for your baby can be tricky — especially with bamboo fabric, which has a gentle stretch that can fit a little differently than traditional cotton. This guide covers sizing for all of our QuickZip, ShortZip, UnderZip, and Ribbed Zip-Up styles.
Size Chart — Zipper Rompers
| Size | Weight | Height | Age (Approximate) |
|---|---|---|---|
| Preemie | Up to 6 lbs | Up to 17" | Premature newborns |
| Newborn | 6–9 lbs | 17–21" | 0–1 months |
| 0–3M | 8–12 lbs | 20–23" | 0–3 months |
| 3–6M | 12–16 lbs | 23–26" | 3–6 months |
| 6–9M | 16–19 lbs | 26–28" | 6–9 months |
| 9–12M | 19–22 lbs | 28–30" | 9–12 months |
| 12–18M | 22–27 lbs | 30–32" | 12–18 months |
| 18–24M | 27–30 lbs | 32–34" | 18–24 months |
| 2T | 28–32 lbs | 34–36" | 2 years |
Sizing Tips
- When in doubt, size up. Bamboo has a gentle stretch so a slightly larger size will still fit well and give more wear time.
- Tall babies: Go by height over weight — length matters most for footie pajamas.
- Chunky babies: Size up for more room in the body.
- Preemie sizing is available on all our core styles — one of the widest size ranges in bamboo baby clothing.
About Our Bamboo Fabric
All Cozy Crawlers zipper rompers are made from 97% viscose from bamboo / 3% spandex. Wash cold, dry low to maintain sizing.
QuickZip vs. ShortZip vs. UnderZip
- QuickZip — Full-length footie with long sleeves. Two-way zipper. Great year-round.
- ShortZip — Short-sleeve footie. Perfect for warmer months.
- UnderZip — Bottom-zip design for diaper access without removing the outfit. A lifesaver at 2am.
Questions? Email customercare@mycozycrawlers.com