All in Motion Womens Flex Strappy Exercise Dress With Undershorts The best exercise dresses to buy now: Alo Yoga, Lululemon, and more Avia Women's Athletic Strappy Exercise Dress with Undershort Liner and Abomasnow Golf Tennis Dresses for Women 2 in 1 A Line Cross Back. The Anna Kaci dress is detailed with criss crossing back straps, medium shoulder straps, and a round scoop neckline. Features a semi fitted waist that flares towards the bottom, built in shorts with pockets, and is mini length. This workout dress features contouring seaming that accentuates the waistline and your figure. MATERIAL: 87% polyester, 13% Spandex MEASUREMENTS: Small Waist: 25. 6 in Chest: 30. 3 in Length: 31. 2" in Medium Waist: 27. 6 in Chest: 32. 3 in Length: 31. 7"in Large Waist: 31. 5 in Chest: 34. 3 in Length: 32. 2" in X Large Waist: 33. 5 in Chest: 36. 2 in Length: 32. 8" in