Old Navy Snow Bibs Ski Jumpsuit in Navy Blue w/ blue trim/fleece - it's a size 4T/4A and in good pre-owned condition (see pics for minor flaw on bottom right front leg - not very visible but lightened to show detail).

Adjustable shoulder straps
Snap button closure at top for easy on/off
Elastic waist
Full front zipper
Fleece lined
Water resistant
Pockets
Shell: 100% Acrylic
Lining: 100% Polyester
Inseam 16.5"