The best sport hairstyle under a cap is a tightly tied ponytail or a compact bun threaded through the back opening of the cap – that way your hair stays out of your face, the cap sits firmly, and your hairstyle survives the workout. How that looks in detail for jogging, the gym, tennis, or a beach day, which hairstyle suits which sport, and how to protect your hair and scalp in summer – you'll find it all in this guide.
Which hairstyle holds up best under a cap during sport?
The high, tightly tied ponytail is the most reliable sport hairstyle under a cap – it keeps hair off your neck and swings in a controlled way with movement. It matters that the cap doesn't flatten your hairstyle: with a classic, back-closed cap you'd have to keep the ponytail low on your neck, where it slaps against your shoulders while running. A cap with a ponytail opening like the PonyLoop® Original, by contrast, lets the ponytail out at any height. For calmer sessions like yoga or walks, a loose, low ponytail works just as well.
How do you get the perfect high ponytail for jogging?
Tie your ponytail at the height of the imaginary line between the tip of your ear and the back of your head – high enough to swing freely, but not so high that it hits the cap with every step. Use a hair tie with no metal parts, and wrap it one extra time so nothing slips. Then put on the cap and thread the ponytail through the opening: with the Original's magnetic closure, the back closes around the base of the ponytail; with the Vintage's CrissCross opening, the crossed elastic bands hold everything in place under slight tension – a noticeable difference during fast intervals. Do a quick head-shake test before you head out: if everything holds, you're good to go.
How do you wear a bun and messy bun under the cap?
A compact bun at mid-height is the most comfortable option for the gym: it doesn't get squashed between your head and the bench during bench presses or crunches, and it fits completely through the cap's ponytail opening. For a messy bun, the rule is: put the cap on first, then pull the bun through the opening and tousle it into shape – that way it stays loose without falling apart during training. The CrissCross design of the Vintage and Glitter adapts to both high and low variants, from a tight ballerina bun to a casual weekend bun.
Do braids and plaits work under a cap?
Yes – braided styles are actually among the most sport-friendly solutions, because they keep hair tamed for hours. A single French braid or Dutch braid runs down the center of the back of your head and threads easily through the cap's back opening. With two boxer braids, feed both braids through the opening together, or let them fall to the sides below the cap. The advantage for summer sport: braided hair doesn't tangle in the wind, and after your workout you can undo the braids for wavy hair with zero heat styling.
How do you protect your hair and scalp from the summer sun?
With coverage, not just sunscreen: the parting is the most commonly forgotten spot during outdoor sport – and that's exactly where the midday sun hits hardest. A cap with tightly woven fabric and a brim protects your parting, forehead, and face; the PonyLoop® Original is lightweight, breathable, and equipped with UV protection for this, so your head stays pleasantly cool even in the heat. Your hair itself benefits too: UV rays fade color and dry out your lengths – whatever's under the cap is protected. Still, for long beach days: apply extra sunscreen to your neck and ears, since they sit outside the brim's shade.
What helps against flat hair and frizz after training?
The most important trick: don't let your hairstyle get flattened under the cap in the first place. That's exactly what the ponytail opening is for – your roots keep their volume because the ponytail or bun sits outside the cap instead of underneath it. After training: take off the cap, remove the hair tie, flip your head upside down and shake it out once, then loosen your roots with your fingers. It's best to let sweaty hair air-dry before tying it up again. And the cap itself? Hand-wash it in cold water and let it air dry – that keeps its shape and color intact. Find more care and fit tips in our FAQ.
Checklist: What do you need for the sport summer of 2026?
In short – here's the kit for training with long hair:
- A cap with a ponytail opening: Original (magnetic closure) for changing hairstyles, Vintage or Glitter (CrissCross) for secure hold during intense sessions.
- Hair ties with no metal parts, plus a spare one in your gym bag.
- Sunscreen for your neck and ears on long days outdoors.
- The right fit: one size 54–62 cm; the included sizing clip helps with a smaller head circumference – details in the FAQ.