Runner's World Big Book of Marathon and Half-Marathon Training: Winning Strategies, Inpiring Stories, and the Ultimate Training Tools

A tonal swirl pattern lends subtle sparkle to Laundry by Shelli Segal's blouson dress, outfitted with a sheer back and large keyhole for a subtle peek of skin.

Keep out the cold with this luxe down puffer coat from Burberry Brit. Ribbed sides and a belted waist give figure-flattering form.

Crafted from sumptuous lambskin leather, this classically-quilted leather Theory jacket boasts a feminine, cropped silhouette with glamorous gold zipper details.

This basic black Soft Joie blazer will take you through the work week in style. Pair this fitted piece with black leggings and a chiffon tunic, or dress is down with skinny jeans. Add accessories accordingly for a sassy or sophisticated look!