- Polo Ralph Lauren Kids - Girls' Size Guide - Polo Ralph Lauren Baby Size Guide - Polo Ralph Lauren Kids - Boys' Size Guide - Polo Ralph Lauren® Kids Cable-Knit Cotton Sweater Vest: This layering piece gets a Polo upgrade with our iconic cable-knit pattern and signature embroidered Pony. It features a rib-knit V-neckline, armholes, and hem. - Classic fit and pull-on style. - Sleeveless style and straight hem. - Signature embroidered Pony on the left chest. - 100% cotton. - Machine washable. - Imported.