Strong pelvic floor and core muscles can compress a cup that is too flexible. MeLuna Sport uses our firmest material to help the cup stay open and maintain its seal during running, lifting, climbing, yoga, swimming, martial arts, and other demanding activity.
Firmness is most likely the issue when your cup works during normal daily activity but leaks, shifts, or collapses during more demanding movement.
Your cup leaks mainly during running, lifting, climbing, or intense workouts.
Your cup shifts or loses its seal when you engage your core.
You have strong pelvic floor muscles or train them regularly.
Your current cup works well on less-active days.
A firmer cup can help when compression causes leaks. If your cup leaks because the diameter is too small, switching to a firmer cup in the same diameter may not solve the problem. Match both diameter and firmness to your body and activity level.
“I originally bought a regular length and firmness, large, as was recommended to me because I've had one child, but it was way too big. I am 5'2" and 105 lbs. I got the shorty firm, Sport, because I am very active with acroyoga, so I am upside down a lot, and rock climbing. It stays in place and I don't even feel it. Highly recommend for the active, petite lady!”
Emily D.
MeLuna Shorty Sport
MeLuna Sport is designed for users who need more resistance to pressure from the pelvic floor and core.
Resists compression during high-impact movement and core engagement.
Helps the cup remain open and supports a consistent seal.
Choose Shorty for a low cervix or Standard for an average cervix. For a high cervix, pair a Standard cup with a Ring Handle and Nupsi extension for added reach.
Choose Small, Medium, Large, or XL based on fit and leak history.
Empty and reinsert your cup before a demanding workout. Confirm that it is fully open and positioned comfortably before activity.
The firmer material creates a stronger seal and can make folding the cup and breaking the seal for removal more challenging. MeLuna Sport is not recommended for beginners or people with limited finger dexterity or grip strength.
A water-based lubricant can make insertion more comfortable, especially toward the end of your cycle when there may be less natural moisture.
Both are reliable choices. Choose based on cup experience, activity level, pelvic floor strength, and how easily you can fold and remove a firmer cup.
| Feature | MeLuna Sport | MeLuna Classic |
|---|---|---|
| Firmness | Firmest material, designed to resist compression | Balanced firmness for comfort and control |
| Seal | Stronger seal for demanding movement | Reliable seal for daily wear and moderate activity |
| Insertion and removal | May require more practice to fold and release | Easier to fold and break the seal |
| Best for | Running, lifting, climbing, martial arts, CrossFit, vigorous training | Work, school, walking, light workouts, daily routines |
| Experience level | Best for experienced cup users | Better starting point for beginners |
These customers describe why the firmer material worked better for them.
“This is the only menstrual cup I've been able to get to work for me. I tried a few silicone ones, but I love the way these are made.”
Amanda C.
MeLuna Standard Sport
“I've purchased two of these through the years, they're absolutely perfect. I love that the firmness means I never have to fuss with making sure the cup is open, I just trust that it is. I initially opted for a small, and it was just a smidge too large for my vaginal opening, had to fold to remove, so I've since switched over to the teen cup, which is perfect with that extra firmness.
The ring makes finding the cup easy, and I don't have to mangle my fingernails bringing it out, but make sure you break the suction first, especially if you have an IUD like me.”
Mallory M.
MeLuna Standard Sport
Choose cup height based on cervix position. Choose diameter based on fit and leak history. Choose Sport firmness when compression is the problem.
Best for an average cervix and users who have enough internal space for a standard-height cup.
For a high cervix, a Standard cup with a Ring Handle can be paired with a Nupsi extension for added reach during removal.
Best for a low cervix or users who find standard-height cups too long. Shorty offers less capacity because of its reduced height.
Choose the Shorty diameter based on fit and leak history rather than choosing the smallest size automatically.
Some active users choose MeLuna Sport for workouts and MeLuna Classic for less-active days or the end of the cycle. Your Shopify product section below can show the available Standard and Shorty Sport options.
MeLuna Sport is usually not the best first cup. Its firmer material can be more difficult to fold and creates a stronger seal that can be harder to release during removal. MeLuna Classic is a better starting point for most beginners.
MeLuna Sport can help when leaks are caused by strong pelvic floor or core muscles compressing a more flexible cup. If your current cup leaks because its diameter is too small or it is positioned incorrectly, a firmer cup alone may not solve the problem.
One menstrual cup is often enough. Some customers keep MeLuna Sport as a second cup for active days and use Classic when they prefer easier folding and removal.
Emptying and reinserting the cup before a demanding workout can improve comfort and reduce the amount of fluid already in the cup. Confirm that the cup has opened fully before beginning activity.
Yes. A small amount of water-based lubricant can make insertion easier, especially on lower-flow days. Avoid oil-based lubricants.
Start with the diameter of a cup that already fits well. If your current cup slides down or leaks despite opening fully, you may need a larger diameter. Do not automatically choose a smaller size because you are petite or athletic.
Choose MeLuna Sport when your current cup works during daily life but loses its seal under pressure. Compare Standard and Shorty options or request a personal recommendation before ordering.
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