Women's Active Dresses (Activewear)

Sewn inside an active dress is a pair of shorts or a brief, and that inner layer is the entire reason the garment exists. The outer dress is a stretch knit cut short, usually with a pleated or A-line skirt panel joined at the waist seam. Many versions add a shelf bra at the chest as well. Once the bottom layer is in place, a skirt that lifts stops being a problem.

Cut around the shoulder is what separates a real sports dress from a summer one. Deep armholes or raglan seams, where the sleeve seam runs from underarm to neckline instead of circling the shoulder, let you reach straight overhead without the hem climbing your thigh. The inner shorts usually carry a pocket on the thigh sized for a ball or a phone, and matching those shorts to the dress color is deliberate, since they will show.

Swim dresses share the built-in bottom layer but are engineered for water, where fabric floats and drags. A matching set covers the same ground in two garments and adapts when your top and bottom sizes differ, which a dress cannot. Running shorts with a training top give more airflow and more adjustment. Within the category, golf dresses run longer, often with a collar and a cut that allows a full swing. Tennis dresses sit shorter and flare more for lateral movement.

Racquet sports, golf and clubs with a dress code are the clearest uses. Plenty of people wear them for travel and hot days simply because one garment finishes the outfit. Lifting is a poor match, since a skirt gets in the way at a bench. Bear in mind that the shelf bra is a modesty layer rather than support, so wear a proper sports bra underneath for anything involving running. Torso length matters here the way it does for a one-piece, because the shoulders and the waist seam are fixed to each other.

Walk in it and swing an arm before deciding, because shorts that creep up the thigh in a fitting room will creep further on a court. Inner shorts have to work as shorts, snug at the leg with no elastic cutting in. Skirt flare should be generous enough to clear a lunge. Machine wash it cool, leave out the softener so the knit keeps moving sweat, and dry it flat so the pleats hold their line.