"I was wearing my favorite shirt —sleeveless, white eyelet lace"
Sleeveless White Eyelet Lace Shirt
Creative Commons AttributionSleeveless White Eyelet Lace Shirt - Credit: Tilly's Love Squared
Parka
Creative Commons AttributionParka - Credit: Stylehive

Bella's Wardrobe

Bella is described as wearing a sleeveless white eyelet lace top, a gesture of farewell to Arizona's hot weather.

She also carries a parka, no doubt to protect herself against the rain which she will surely find in Forks.