Joybuy Insights

Lingerie Buying Guide: How to Choose the Right Underwear

Choosing underwear can quickly become overwhelming. Caught between promises of absolute comfort and attractive designs, we often end up with pieces that get forgotten at the back of a drawer. Irritating fabric, a poor fit, or disappointing support are all-too-common pitfalls. This guide is here to help you navigate the options and make the right choice—one that truly suits your body and your lifestyle.

Pitfalls to Avoid When Buying Lingerie

Before you start shopping, let's review the classic mistakes that lead to buyer's remorse.

  1. The "one-size-fits-all" myth: Often presented as a promise of flexibility, this label actually hides products that only truly fit a narrow range of body types. Underwear that's too tight or too loose quickly becomes uncomfortable and unwearable.
  2. Low-cost synthetic fabrics: Polyester or nylon may be tempting with their bright colours and attractive price point, but they severely lack breathability. The result: discomfort, excessive sweating, and a risk of irritation, especially for sensitive skin.
  3. Confusing aesthetics with functionality: Delicate lace is beautiful, but if it scratches or the seams are poorly placed, the underwear turns into an instrument of torture. Similarly, a bralette with a cutting-edge design won't necessarily provide the support needed for a workout.

Key Criteria for Choosing Your Underwear

To make the right choice, three criteria are essential. They are your guarantee of comfort and the longevity of your lingerie.

Fabric: The Foundation of Comfort

The composition of the fabric is the number one criterion. It will be in direct contact with your skin from morning to night.

  • Cotton: A reliable everyday choice. Cotton lingerie is renowned for its hypoallergenic and breathable qualities—a winning combination for hygiene and comfort.
  • Modal: This plant-based material is prized for its exceptional softness and fluid drape. It absorbs moisture well and is more resistant to shrinking and mineral deposits than cotton.
  • Elastane: Present in small amounts (usually 5% to 15%), it provides the essential stretch that allows the underwear to hug your curves without ever feeling restrictive, while ensuring impeccable shape retention over time.

The Cut: A Matter of Body Shape and Occasion

The cut of your underwear plays a dual role: your comfort and the final look under your clothes.

  • Classic briefs or bikini: With their good coverage, these are the ultimate comfortable basics for daily wear.
  • Thongs and tangas: These high-cut styles are designed to be invisible under form-fitting clothes. The tanga offers slightly more coverage at the back than the thong.
  • Bras and bralettes: The choice depends on the support you need. A non-wired bralette is perfect for relaxing or for a low-impact sport. For more structured support, opt for an underwired bra.

Functionality: Meeting a Specific Need

Sometimes, underwear needs to serve a very specific purpose.

  • Period underwear: A reusable alternative to sanitary products, it features an absorbent, leak-proof gusset.
  • Disposable underwear: Often made of cotton, it is highly practical for travel, hospital stays, or the postpartum period.
  • First bra: For girls' underwear, choose non-wired styles in soft, breathable fabric to gently support the body's first changes.

Our Top Underwear Picks for Different Profiles

To illustrate these tips, here is our selection of styles designed for different profiles.

FOR: TRAVELLERS AND NEW MOTHERS
YIJINCHAN Women’s Disposable Pure Cotton Underwear 3-Pack-XL

YIJINCHAN 100% Cotton Disposable Briefs (3-Pack)

Perfect for situations where doing laundry is a challenge: travel, postpartum, or even after a workout. Each disposable brief is individually wrapped, ensuring impeccable hygiene.

The anti-pitfall feature

Made from 100% cotton, it eliminates the risk of discomfort associated with synthetic fabrics. The sizes, clearly indicated in centimetres, allow for a precise choice, a far cry from the vagueness of "one-size-fits-all".

Key features

Natural, biodegradable, and hypoallergenic fabric. Ultra-practical and hygienic individual packaging.

FOR: EVERYDAY ELEGANCE
CALVIN KLEIN Icon Cotton Modal Tanga Grey

CALVIN KLEIN Cotton and Modal Tanga

For those who want to combine minimalist style with discretion under clothing, without ever sacrificing comfort. The tanga cut is decidedly modern, and its ultra-soft fabric makes it an everyday ally.

The anti-pitfall feature

Its blend of cotton, modal, and elastane ensures far superior breathability and softness compared to classic synthetics. The seamless waistband prevents unflattering lines and discomfort.

Key features

Seamless "Infinity Bond" waistband for absolute comfort. 100% cotton gusset for perfect hygiene.

FOR: TEENAGERS
likeuu Stage 1 Starter Camisole Bra Light Dogwood Pink 150

likeuu Camisole Bralette for Teenagers

Designed as a first bra, this camisole-style bralette offers light support and complete freedom of movement. It's the ideal model for the girls' underwear category.

The anti-pitfall feature

Here, comfort takes precedence over restriction. The blend of viscose, cotton, and spandex is incredibly soft and highly breathable. The size guide, based on height and weight, helps find the perfect fit for a growing body.

Key features

Ultra-stretchy fabric that adapts to changes in body shape. Wire-free design for maximum comfort.

Looking for more options?

Discover our complete selection of products that meet our strictest criteria for comfort and quality.

Frequently Asked Questions

How do I find my bra size online?

To find the right size without a trip to the fitting room, all you need is a tape measure.

  1. Measure your band size: place the tape measure flat just underneath your bust. Round to the nearest whole number. This is your band size (e.g., 34, 36, 38).
  2. Measure your bust size: run the tape measure over the fullest part of your bust, without pulling it tight.
  3. Calculate your cup size: the difference between your bust measurement and your band measurement will give you your cup size (for example, a 2-inch difference is a B cup, a 3-inch difference is a C cup, etc.). Always remember to consult the brand's size guide, as conversions can vary.

What is the difference between a thong and a tanga?

The main difference is the amount of coverage at the back. The thong consists of a very thin strip of fabric or a simple string, offering almost no coverage. The tanga is a hybrid between a thong and a classic brief: it covers the top of the buttocks but leaves the bottom exposed, forming a triangle of fabric at the back.

How do I care for my cotton lingerie to make it last?

To preserve the softness and shape of your cotton lingerie, washing at a low temperature (30°C or 86°F) with similar colours is recommended. Consider using a mesh laundry bag, especially for bras: it will prevent the hooks from snagging and damaging the rest of your laundry. Finally, opt for air-drying. The tumble dryer is the enemy of elastic fibres.