Whenever I think of baseball uniforms I think of pants tucked into knee high socks, so that's what I did here, using tights to approximate the look of form-fitting sliding pants. The dress was chosen simply because the colors were right; to me the off-white trim softens the look of the orange and black, and also follows the colors of the Giants uniform. And yes, the dress is orange even though it appears tomato red in the photos.
Cardigan: Express, a gift from my aunt
Belt: Red Dress Shoppe
Tights and socks: MP, via Sock Dreams
Shoes: John Fluevog