ivory dress slip Olivia von Halle | Issa Silk Satin | Size XL | Women With its sleek tank silhouette and soft Ivory Double Layered Silk Dress

The long sequin formal dress has thin shoulder straps that lead to the lace-up corset-style back, while the long skirt opens in a side slit for a sexy vibe

A pair of double-strap sandals (like your Birkenstocks) make the perfect choice

Jalapeo Ranch Dressing: add 1 jalapeo pepper (seeds removed for milder spice) and blend all ingredients in food processor until smooth

Hat/Gloves/Scarf Throw in a hat to protect you from the sun and one to keep your ears warm if you happen to be on a scenic glacier cruise (the warm hat may not be of use on a Costa Rica packing list, but it surely will come handy on a cruise to Alaska)