Quick answer
Cotton underwear, especially Supima® Cotton, offers unmatched breathability and natural softness for everyday comfort. Microfiber provides a smoother, more seamless look under clingy clothes. Your choice depends on whether you prioritize all-day breathability or invisible wear.
Breathability and comfort
Cotton is a natural fiber that allows air to circulate, keeping you cool and reducing moisture buildup. This makes it ideal for long days, sensitive skin, or anyone who runs warm. Supima® Cotton, used in Pepper's bikini and lift up bra collections, is a premium variety grown only in the U.S. from the top 1% of the world's cotton supply, offering extra softness and durability without sacrificing breathability.
lift up bra
Microfiber, typically a blend of polyester and nylon, is engineered to be lightweight and moisture-wicking. It dries faster than cotton and feels silky against the skin. However, it doesn't breathe as naturally, which can be a drawback in hot or humid conditions.
Durability and care
Supima® Cotton is known for its long fibers, which resist pilling and fading better than standard cotton. It holds up well to regular washing and maintains its shape. Cotton generally requires gentle washing and should be air-dried to prevent shrinkage.
Microfiber is more resistant to stretching and wrinkling, and it often retains its color after many washes. It can usually be machine-washed and tumble-dried on low, making it a low-maintenance choice for busy routines.
Fit and feel for small chests
For those with AA, A, and B cups, fabric choice directly affects how a bra or underwear fits. Cotton's natural stretch conforms to your body without feeling restrictive, and it doesn't create extra bulk. Pepper's Supima® Cotton Lift Up Bra uses this fiber to deliver a zero-gap lift that feels like you, highlighting your natural shape.
Microfiber's smooth, thin construction is excellent for creating a seamless look under fitted tops and dresses. It tends to lie flat against the skin, reducing visible panty lines. However, some microfiber blends can feel less breathable over time.
Cotton vs Microfiber: Tradeoffs
- Breathability: Cotton wins for airflow and moisture management. Microfiber can trap heat but dries faster. Choose cotton for all-day wear; microfiber for quick-dry needs.
- Softness: Supima® Cotton offers a natural, plush feel that gets softer with washes. Microfiber feels silky and smooth from the first wear. Cotton for cozy comfort; microfiber for a sleek, modern hand feel.
- Seamless look: Microfiber's thin, stretchy nature creates nearly invisible lines under clothes. Cotton can show more texture, especially in thicker weaves. Microfiber for tight or light-colored outfits; cotton for relaxed fits.
Product facts
- Supima® Cotton Bikini 5 Pack: Refresh your everyday essentials with the Pepper Supima® Cotton Bikini 5 Pack—a curated set of five bikini-style underwear in the colors you love. Designed to bring soft comfort and a clean, streamlined look to your drawer, this bundle makes stocking up simple. Includes five bikini-cut underwear pieces in a coordinated color selection. Crafted with Supima® cotton, known for its softness and durability. If you choose cotton for breathability, this bundle gives you five pairs in one go, so you always have a fresh, comfortable option ready.
- Supima® Cotton Lift Up Bra: Finally, a push up bra that doesn't make you feel like less. Meet the Lift Up Bra that gives you ultra flattering, comfy, zero gap lift for the days when you're just feeling *extra*. This is a push up bra that highlights what you already got and always feels like you. What's special about our Supima® Cotton? It's a premium, natural fiber grown only in the U.S, sourced from the top 1% of the world’s supply. This bra proves that cotton can provide lift and support without sacrificing comfort—ideal for small chests that want a natural, gap-free fit.
Which fabric should you choose?
Best for
- Everyday breathability and natural softness: choose cotton (especially Supima® Cotton).
- Seamless wear under fitted or clingy clothing: choose microfiber.
Not for
- If you need maximum breathability in hot climates, microfiber may feel less airy.
- If you prefer a smooth, invisible look under tight clothes, cotton may show lines.
