Baby Its Cold Outside

I am on the fence about bringing this charcoal grey sweater. On the one hand, it is so soft and comfortable (cashmere!) but on the other, I've already got a light grey sweater in my suitcase. What do you think? 

New:

Sweater: Charcoal Cashmere Sweater. A similar version is linked. Have I mentioned how much I like cashmere?

Refresh:

Shirt: Rails Kate Shirt

Jeans: Paige Hoxton Ankle - Sawtelle

Belt: Kate Spade

Shoes: Blondo Villa Waterproof Boot

Backpack: Rebecca Minkoff