WARDROBE
A Practical Guide to Pockets in Activewear
December 31, 2025 · Alo Editorial · 2 MIN READ
Pockets change how activewear fits into a day. The good ones sit flat, hold a phone without bounce, and do not break the line of the leg.
A pocket turns activewear from gym kit into day kit. The difference between a pocket you use and one you tolerate is placement, depth, and bounce. A well-made pocket sits flat, holds a phone without swinging, and does not distort the line of the leg. A poor one does the opposite and ruins an otherwise good pair.
What makes a pocket work
- A secure zip or a deep enough slip pocket.
- Placement on the side or back, not the front thigh.
- A phone that stays put when you run.
- Fabric that does not bag when loaded.
- A seam that keeps the line of the leg clean.
The failure mode is bounce. A phone in a shallow front pocket swings with every stride and pulls the waist, which is why side or back pockets beat front-thigh ones for running. For walking and studio work, almost any secure pocket is fine.
Match the pocket to the activity
- 01Running and training: a secure zip or a deep side pocket.
- 02Studio and walking: a slip pocket is enough.
- 03Travel: a back pocket for passport and cards.
- 04Light sessions: skip the pocket for a cleaner line.
- 05Cold weather: a layer pocket for the essentials.
What to check before you buy for the activewear pockets
Two pieces can look identical on the hanger and behave differently in the activewear pockets. The checks below are the ones that catch it early. California Blue Mini Cable Sweater Cardigan is the piece we would test them against first.
- Knit should recover when you stretch the cuff, not stay stretched.
- Check the neckline against your base layer collar.
- Hold it to the light loosely — a loose knit sheers out over time.
Care for pocketed pieces
Do not overstuff a legging pocket; it stretches the knit and distorts the fit. Empty it after wear and the garment keeps its shape far longer than one used as a daily carry-all.
FREQUENTLY ASKED QUESTIONS
- Where should an activewear pocket sit?
- Side or back, ideally, because a front-thigh pocket lets the phone bounce and pull the waist during running. It is the sort of difference you notice twenty minutes in, not on the hanger.
- Do pockets ruin the fit of leggings?
- Only if overstuffed or poorly placed. A flat, well-seamed pocket barely changes the line; a loaded one distorts it. Get that one thing right and most of the other decisions stop mattering.
- What pocket do I need for running?
- A secure zip or a deep side pocket that holds the phone without swing. Slip pockets are fine for walking, not for running. It is also the cheapest thing to fix — usually a size or a wash habit.
WORTH A LOOK
ABOUT THIS GUIDE
Written by Alo Editorial. Every fit and fabric claim in this guide is checked against the pieces we actually sell — if something does not apply to your size, body or climate, our customer care team will say so. Corrections get published, not quietly deleted.
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