10 Best Period Underwear 2025 in the United States

Bambody Absorbent Panties offer a comfortable and practical solution for period, post-partum, or light bladder leakage protection. Made mostly from soft rayon derived from bamboo with a bit of spandex, these panties feel silky and breathable, helping to avoid the bulkiness often associated with absorbent underwear. The four-layer design can absorb the equivalent of about four regular tampons, making them suitable as a stand-alone option or as backup protection alongside tampons or cups. Their full-coverage, stretchy style provides reliable leak protection from front to rear, allowing confident wear throughout the day or overnight.

They come in a small size and a pack of three colorful pairs, which is convenient for trying them out or rotating during your period. The care instructions are simple—machine wash and air dry, though air drying may require some planning due to longer drying times. These panties are reusable, benefiting both the environment and your wallet compared to disposable products.

The fabric is designed to be breathable, and the product is ideal for teens and adults who want to reduce waste and prefer a softer, less bulky alternative to pads or tampons, especially those who value comfort and leakproof security.

The KNIX Super Leakproof High Rise Underwear is designed for women looking for reliable period protection with heavy absorbency, making it suitable for heavy flow days or mild incontinence. Each pair can hold about the amount of 2 regular pads or 4 super tampons, thanks to a built-in 9-inch gusset with multiple layers that block leaks effectively. The material mix includes nylon and spandex on the outside for stretch and comfort, while the gusset layers combine moisture-wicking modal, absorbent polyester, and a waterproof membrane to keep you dry and odor-free.

These panties have a high-rise style that sits at your natural waist, providing moderate coverage on the back, which many find comfortable and secure during periods. At first, the fabric feels snug but tends to soften and fit better after washing. They are machine washable and come with a wash bag, making cleanup easy and encouraging reuse to reduce waste from disposable products.

The high-rise cut may not suit everyone’s preference, especially if you prefer lower-rise underwear. The fabric blend, while stretchy, includes synthetic fibers like nylon and polyurethane, which might not appeal to those seeking fully natural or organic fabrics. Some users might find that the underwear requires more frequent washing during heavy days to maintain freshness. These period panties are a practical and eco-friendly choice for anyone needing strong leak protection with a comfortable fit and simple care. They work well for heavy flows, provide good coverage, and support sustainability, though the style and materials might not match every user’s taste.

The TIICHOO Period Underwear is designed for women and teens who experience heavy menstrual flow or light bladder leakage. It features strong absorbency with four protection layers capable of holding liquid equivalent to about four tampons, allowing it to be worn alone or with other menstrual products for added security. This makes it versatile for different flow levels and suitable for overnight use. The material is predominantly viscose with some spandex, offering a soft, smooth, and comfortable feel ideal for sensitive skin during periods.

The underwear provides full coverage with a gusset that extends protection from front to back, helping to prevent leaks when sitting, lying down, or moving around. It is sold in packs of five and comes in a variety of colors for style options. The size large option should fit many users, though those outside this size range should verify availability of other sizes. Care instructions include machine washing cold after soaking and washing before first use to maximize absorbency.

The product is reusable and free from harmful PFAs chemicals, supporting safety and environmental concerns. While the fabric blend maintains comfort, some users might prefer cotton for breathability. Additionally, the soaking step before washing may be viewed as an extra effort by some. This period underwear offers reliable heavy flow protection combined with the convenience of reusable underwear, making it a practical choice when sized appropriately.