Bestform Lingerie • Site Officiel de la Marque

Slip de Bain vs Slip: What's the Difference?

Slip de Bain vs Slip: What's the Difference?

By Bestform Lingerie • Site Officiel de la Marque | Published: 2026-10-27

Category: Comparisons

Understand the key differences between a slip de bain (swim brief) and a regular slip (underwear) to choose the right style for swimming or daily wear.

Quick answer

A slip de bain is a swim brief designed for water, with quick-dry fabrics and a secure fit, while a regular slip is underwear meant for daily wear under clothing. Choose the swim brief for the beach or pool, and the slip for everyday comfort.

Why the distinction matters

Many shoppers wonder if they can use a regular slip as a swimsuit or vice versa. The short answer is no – each is built for a different environment. Swim briefs use water-resistant, quick-drying materials that hold up to chlorine, saltwater, and sun, while underwear slips prioritize softness and breathability for all-day wear under clothes. Using the wrong type can lead to discomfort, poor durability, or even embarrassment when wet.

Key differences in design and fabric

Swim briefs like the Slip de bain Riverside Lagon feature textured jacquard knit and recycled microfiber that resist water and dry fast. They also include decorative details such as a gold-tone logo and bijou that are designed to withstand sun and water exposure. In contrast, underwear slips such as the Slip noir imprimé Luccia swing use soft lace and microfiber for comfort against the skin, with a satin bow and elastic waistband that are not intended for repeated wetting. The construction and materials are tailored to their intended use – swimwear for performance, underwear for comfort.

Slip de Bain vs Slip: Trade-offs at a Glance

  • Fabric & water resistance: Swim briefs use quick-dry, water-resistant materials like recycled microfiber and jacquard knit. Underwear slips use soft lace and microfiber that can become heavy and uncomfortable when wet. Choose swim brief for water; choose slip for dry, everyday wear.
  • Design details: Swim briefs have durable decorative elements (e.g., gold-tone bijou, logo) that withstand sun and water. Underwear slips have delicate trims (e.g., satin bow, picot elastic) that may not survive repeated wetting.
  • Fit & coverage: Both types are available in low-rise cuts, but swim briefs are engineered to stay secure during movement in water, while underwear slips prioritize comfort under clothing without a snug water-ready grip. If you plan to swim, opt for a dedicated swim brief for a secure fit.

Product facts

  • Slip de bain Riverside Lagon: Textured jacquard knit and recycled microfiber with a gold-tone bijou detail on both front sides. The textured fabric and recycled fibers are designed for water use, drying quickly and resisting chlorine and saltwater.
    Slip de bain Riverside Lagon
    Slip de bain Riverside Lagon
  • Slip noir imprimé Luccia swing: Soft floral lace with a satin bow at the front and a microfiber back, featuring a picot elastic waistband. The lace and satin bow are delicate and not meant for prolonged water exposure, making this slip best for daily wear under clothing.
    Slip noir imprimé Luccia swing
    Slip noir imprimé Luccia swing

Which one should you choose?

Best for

  • Swim brief (Slip de bain) – for swimming, beach days, pool parties, or water sports where quick drying and chlorine resistance matter.
  • Regular slip (underwear) – for daily wear under pants, skirts, or dresses where softness and breathability are priorities.

Not for

  • Using a regular slip as a swimsuit – it will sag, stay wet, and may lose shape or color.
  • Using a swim brief as everyday underwear – the textured fabric may be less comfortable under tight clothing and may not breathe as well.

Shop Related Products

Slip de bain Riverside Lagon

Slip de bain Riverside Lagon

$22.08 $32.00

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Slip noir imprimé Luccia swing

Slip noir imprimé Luccia swing

$17.00 $25.00

Shop Now