Baby On The Move - Nelson - Silly Billyz wet weather gear Available in overalls and seperates - these are lined so great for snow as well https://www.babyonthemove.co.nz/index.php?route=product/search&search= overalls | Facebook
Silly Billyz | Bibs and Accessories for Babies | New Zealand
Lilo - NZ's marketplace for buying and selling secondhand kids clothing. Silly Billyz Overalls, Size 1-2
Aqua Waterproof Overalls | Silly Billyz | Jack & Miss Honey