A ballet flat should move with your foot, not slide off your heel at every step. Occasional minor movement can happen in a very low-cut shoe, but repeated slipping usually means the length, internal volume, heel shape, or surface friction is not working for your foot.
The best fix depends on the cause. Before adding multiple pads or ordering a smaller size, use this step-by-step check.
Why ballet flats slip at the heel
- The shoe is too long: Extra length allows the foot to move forward and leaves space behind the heel.
- The shoe has too much internal volume: The length may be correct, but the upper does not hold the foot securely.
- Your heel is narrower than the shoe’s heel cup: Foot shape varies, even within the same size.
- Hosiery reduces friction: Smooth tights or socks can make the foot slide more easily.
- The forefoot moves forward: This can happen when the shoe is roomy, the sole is angled, or the interior surface is very smooth.
- The upper has softened with wear: Some materials relax over time and provide less hold than they did initially.
Step 1: confirm the size before adding inserts
Stand while measuring both feet from heel to the longest toe. Use the longer foot when comparing measurements with a size chart. Also notice where the widest part of your foot sits inside the shoe; it should align with the widest part of the shoe rather than being pushed forward or backward.
If the shoe is clearly too long, a smaller size may be more effective than filling a large gap with pads. However, do not size down if your toes already feel compressed. Read our US–EU shoe size guide for a complete measuring method.
Step 2: try a thin heel grip
A heel grip attaches inside the back of the shoe. It can reduce a small amount of extra space and add friction around the heel. Choose a thin grip first; a very thick pad may push the foot too far forward and create pressure at the toes.
Apply grips to clean, dry lining and test them indoors. Make sure the edge does not rub the Achilles area.
Step 3: use a forefoot pad when the foot slides forward
If the length feels correct but your foot moves toward the toe, a slim forefoot pad can help stabilize it. Position the pad under the ball of the foot rather than directly under the toes. The goal is to reduce forward movement, not make the shoe feel crowded.
Use either a forefoot pad or a substantial heel grip first, then reassess. Stacking several inserts can distort fit and reduce toe space.
Step 4: consider a strap-based flat
If your heel shape makes very low-cut flats difficult to secure, a Mary Jane or ankle-strap flat may be the simplest solution. A strap helps hold the foot without requiring the heel cup to do all the work.
The Hollow Ankle-Strap Mary Jane Flats use a visible ankle strap, while the Round-Toe Elastic Strap Mary Jane Flats offer a softer strap treatment. For a more structured option, compare the Square-Toe Commuter Mary Jane Flats.
Step 5: adjust socks or hosiery
Very smooth tights can increase slipping. A low-profile no-show sock with a grippy heel surface may help, provided it remains hidden and does not make the shoe tight. With Mary Janes, visible fine socks can also become an intentional styling element.
Do not rely on adhesive products directly on the skin for long periods without checking the manufacturer’s instructions and your skin’s reaction.
Step 6: test the shoes indoors
Walk on a clean indoor surface for several minutes. Include normal strides, turning, and a few stairs if available. Check whether:
- The heel lifts only slightly or comes fully out
- Your toes grip to keep the shoe on
- The heel grip causes rubbing
- The forefoot pad pushes your toes forward
- The strap feels secure without digging in
Your toes should not need to curl or grip constantly. That compensation can make a shoe tiring even if it technically stays on.
When not to “fix” the fit
Return or exchange the shoe when the length is clearly wrong, the toe box causes pressure, the heel cup rubs sharply, or multiple inserts are needed to keep the shoe on. Fit aids are best for small adjustments, not major size mismatches.
Explore women’s flat shoes to compare low-cut ballet flats with strap-based Mary Jane styles, and see our guide to choosing flats for work and commuting.
Frequently asked questions
Should I size down if my ballet flats slip?
Only if the shoe is genuinely too long and the smaller size will still provide enough toe room. Heel slipping can also come from excess volume or heel shape, so sizing down is not always the answer.
Do heel grips work in ballet flats?
They can help with a small amount of extra space and add friction. Start with a thin grip and make sure it does not push the foot uncomfortably toward the toe.
Are Mary Jane flats better for narrow heels?
A strap can improve security for some wearers because it helps hold the foot in place. The overall fit still needs to match the foot’s length and width.
