$288, whistles

Anyone who sees me do the school run every morning can attest to my affinity for the army jacket. I have three of them, each one cut a little differently, all of them indispensable. It's my throw-it-on-over-everything go-to, because it adds style to even the most unstylish outfits (like my workout uniform!). I also like the contrast of an army jacket over something fancy, like a cocktail dress. Here, the zippered pockets, waist-cinching drawstring and cool motorcycle jacket cut yields enduring wear-everywhere greatness.

1. Day Birger et Mikkelsen embellished top, $300, netaporter.com
2. Whistles army jacket, $288, whistles.co.uk
3. House of Harlow snake embossed leather clutch, $195, shopbop.com
4. Isabel Marant sandals, $730, forwardbyelysewalker.com
5. Rag & Bone distressed jeans, $297, netaporter.com