Stash N' Run Bra, $58, available at Lululemon Sweat-wicking, stretchy but supportive fabric makes this a great sports bra on its own, but the added bonus is the front pockets that give you room to stash keys, your phone, cards, and other small items. Contender 7/8 Tight, $89, available at Athleta Some women on the Insider Picks team got the chance to try different pieces from Athleta's Contender line, and much of the feedback included praise for the zippered pockets on either side of the leggings, which keep your things concealed while you move. Zella Live In Pocket 7/8 Leggings, $59, available at Nordstrom Smooth, open side pockets are a practical addition to these lightweight, moisture-wicking leggings. These are probably best for strength-training days when you won't be bouncing around as much.Fast & Free 7/8 Tight II Nulux, $128, available at Lululemon These leggings have a barely-there, super-soft feel thanks to Lululemon's proprietary Nulux fabric. You'll also find little pockets on the waistband, perfect for keys and other small essentials, while the larger side pockets are a perfectly sized for phones.Ewedoos Yoga Legging with Pockets, $16.95, available at Amazon Stretchy and breathable fabric, a high waist, and two convenient side pockets are all qualities that have contributed to these leggings' title of the #1 best-selling women's running tights on Amazon. Yianna High-Impact Sports Bra, $18.99, available at Amazon A spot to hold your phone is great, but an earphone hole that helps keep your hired headphones accessible and tangle-free is even better. The North Face Stow-N-Go Bra, $60, available at REI This supportive sports bra has a hook-and-eye closure for easy adjustability and an internal pocket for storing small essentials like keys or a credit card.