If you're looking for the perfect summer bikini bottom that enhances your curves and helps you achieve that flawless bikini tan line, the IS BIKINI Side-Tie Bottom is the ideal choice.
With its adjustable side ties, double-lined fabric and premium finish, it offers total freedom — from intense sun exposure to your favorite beach or poolside activities.
Ideal for those looking for a bikini bottom that enhances tanning
Adjustable side ties for customizable coverage
Double-lined: doesn’t mark, roll or turn see-through
Designed to flatter all body types
UV50+ protection and Extra Life technology
This style was created for those who love the classic string bikini, but want high-performance durability.
Made with BEACH | RADICAL SPORT fabric — known in the industry for its strength, stability and ideal elasticity — it maintains its shape and color even after long days under the sun, in the pool or at the beach.
The new IS BIKINI High Summer Collection introduces vibrant shades inspired by the heat of the season, perfect for anyone who wants a modern, colorful and long-lasting bikini.
Perfect for achieving more defined bikini tan lines
Adjustable side ties for efficient tanning
Professional double lining → zero transparency
UV50+ technology for safer sun exposure
Vibrant colors ideal for beach looks
Pairs perfectly with any IS BIKINI top
New release from the High Summer Collection
Superior durability with Extra Life technology
Comfortable fit for all-day wear
Limited stock — exclusive units available
Adjust the side ties to control your tanning line
Pair with the Cortininha Top or Fita Top for a complete look
Combine with lightweight beach cover-ups for versatile summer outfits
For even more precise tan lines, fine-tune the lateral adjustment
No. The double-lined construction and soft elastic prevent unwanted marks.
No — the double lining ensures total security and opacity.
Yes — the adjustable ties allow full personalization and comfort.
Yes, it's one of the best options for tanning thanks to its adjustable design.
Absolutely — it was created especially for long, sunny days.
Fabric: BEACH | RADICAL SPORT Rosset
Solarmax UV50+ Protection
Extra Life technology for extended durability
Double-lined construction
Adjustable side ties
Fabric composition: 85% Polyamide, 15% Elastane