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The perfect gym bag needs to be able to do it all: carry your workout necessities, transition from the office to the gym, and hold up after being stuffed into a locker and packed with sweaty gear. For most of us, our gym bag acts as a second purse, so we expect it to score just as many points for fashion as it does for functionality.
We tapped four R29 staffers, each with a different exercise style, and asked them to unzip their gym bags for us. Click through for a peek at what fitness necessities they can't exercise without — from the perfect bra for barre to a stay-put headband to a mood-boosting yoga-mat spray. Whether you're into the whole sport-chic thing or want a more subtle look, your locker room is about to get a whole lot more stylish.