Olivia Attwood's gym outfit is an absolute steal from H&M | Entertainment | Heat
H Hosulipo Yoga Pants with Pockets: Workout Leggings for Women High Waist Tummy Control - Yoga Leggings Quick Dry (Large, Navy Blue) at Amazon Women's Clothing store
THERMOLITE® Ribbed Leggings - Blue - Ladies | H&M US
Seamless Sports tights in DryMove™ - Black - Ladies | H&M IN