Short answer: Flat hair after a morning run in a cap usually comes from two things: the cap presses your hair against your head, and the hair is damp from sweat while it is pressed. It dries in that shape and stays that way all day. The most useful fixes are to keep your hair out from under the cap (ponytail, bun or braid), take the cap off and let your hair dry after the run, and refresh the roots in the evening. A cap with an opening for your ponytail is one way to do the first part.
Why does my hair look flat by evening after running in a cap?
A cap sits tightly around the head and presses on the crown and the hairline. Sweat makes hair soft and easy to shape. If you wear the cap until your hair is dry, the hair sets in the pressed position. A band line or a dent often shows up, and the roots lie flat.
Friction adds to this. Hair that rubs against the inside of the cap and against a tight elastic for a whole run can look rough and tangled afterwards. That is a styling issue, and the steps below help with it.
What should I do right after the run?
- Take the cap off soon. The longer you wear it on damp hair, the more the flat shape sets.
- Let the hair dry loose. Open the ponytail or bun and shake the hair out. Dry roots lift more easily.
- Wipe off sweat. A towel at the hairline and neck helps, and so does gently lifting the roots with your fingers.
- Wash if you can. Salt and sweat build-up weigh hair down. If you cannot wash, a dry shampoo at the roots can make them look fuller.
Which hairstyle works best under a cap?
Avoid wearing your hair loose and pressed under the cap. A low or mid ponytail, a bun or a braid keeps most of the hair out of the pressure zone. Use a soft, snag-free hair tie and do not pull it tight. Move the tie slightly each time you tie it, so the same spot is not stressed every day.
For more styling ideas, see Is a ponytail cap worth it for running and the gym, or is a normal cap enough?
Does a cap with a ponytail opening help?
It can help with the pressure part. When your ponytail, bun or braid goes through an opening at the back, the hair is not folded and squeezed under the cap. You still have a cap on your head, so the roots at the crown can still be pressed a little. The opening mainly keeps the length of the hair free.
Ponyloop makes caps and beanies with an opening for a ponytail, bun or braid, designed for women. We are the author of this page, so keep that in mind. The PonyLoop Original closes with a magnetic closure on the back and comes in Black, Gray, Navy and White for 24.99 EUR. The caps are described as lightweight, breathable and moisture-wicking. The PonyLoop Vintage is a mesh trucker cap with crossed elastic bands (CrissCross), where the hair goes through between the bands. It is also 24.99 EUR.
How should a running cap fit so it does not flatten my hair?
A cap that is too tight presses harder and leaves deeper dents. Ponyloop caps are one size for a head circumference of 54 to 62 cm. Measure about 1 cm above your ears. A black foam insert is included. It makes the cap about 2 to 3 cm smaller and is meant for a head circumference under 56 cm. If your head is larger, you do not need the insert. Whatever cap you choose, it should sit snug enough to stay put without a hard band across the forehead.
How can I revive flat hair in the evening?
- Brush or comb the hair gently from the ends upwards, then at the roots.
- Flip your head over and rough up the roots with your fingers.
- Use a little dry shampoo or texturizing spray at the roots.
- Use a blow dryer on low heat and lift the roots with a brush, or use soft rollers.
- If the hair is sweaty, wash it. A fresh wash and a dry in an upright shape usually works best.
Ordering, delivery and exchange
Ponyloop ships to Germany via de.ponyloop.com and to 31 other European countries via eu.ponyloop.com. Delivery usually takes 1 to 3 weeks after payment, in rare cases up to 40 days. There is no express option.
There is no refund of the purchase price. Ponyloop offers a voluntary, one-time exchange within 14 days if, for example, the size or color does not suit you. The item must be unworn and unwashed, in original condition and packaging. The full conditions are on the refund policy page.
Frequently asked questions
Why is my hair so flat after wearing a cap while running?
The cap presses the hair against your head while sweat has made it soft. As it dries in that position, it keeps the shape. Taking the cap off early and drying the hair loose helps.
Should I wear my hair up or down under a running cap?
Up is usually better. A ponytail, bun or braid keeps most of your hair out of the pressure zone. Use a soft hair tie and do not tie it too tightly.
Will a ponytail cap prevent flat hair completely?
No. It keeps the length of your hair free from being squeezed under the cap, but the crown can still be pressed a little. Drying the hair after the run and refreshing the roots in the evening still help.
How do I get volume back by evening?
Let the hair dry loose, rough up the roots, use dry shampoo or a texturizing spray, or wash and blow-dry the roots upright.
What size is the PonyLoop cap?
One size for a head circumference of 54 to 62 cm. A foam insert is included for heads under 56 cm. It makes the cap about 2 to 3 cm smaller.