Alo's Muse sweatpant is a beautiful take on traditional joggers, made with a plush and ultra-soft wide-ribbed fabric.

The Ultra-Stretch Ponte Quince pants are wrinkle-resistant, have a four-way stretch similar to leggings, and are just $40.

As yoga and pilates become the most fashionable forms of exercise, dressing for a work-out has become a seriously stylish business. Here's what you should be wearing ...