
YSL Babylone Slides in Smooth Leather
The Babylone Slide is one of the more refined, pared-back silhouettes in the Saint Laurent range — a flat slip-on built around clean lines, balanced proportions, and the quiet, considered detailing that defines the house's more minimal design language. It sits comfortably between an everyday staple and an elevated wardrobe piece, designed to translate across casual and more polished styling with equal ease.
This iteration is crafted in smooth leather, with the clean, polished finish that allows the shape of the silhouette to lead. The leather has a subtle natural sheen and a refined hand-feel, softening with wear while holding the structure that defines the slide.
The silhouette is built on a single wide band across the foot, an open toe, and a low-profile sole that keeps the shoe close to the ground. The simplicity is deliberate — there's no excess detailing or hardware, leaving the proportions and the quality of the leather to carry the design. Every line feels intentional, refined to the point where the shoe reads as quietly luxurious rather than overtly designed.
The defining house code sits in the form of subtle branded detailing across the front strap — restrained rather than declared, in keeping with the more minimal end of the maison's footwear language. The proportions are balanced, the finish is clean, and the design is built to last beyond a single season.
Inside, smooth leather lining and a cushioned insole give a soft, polished feel underfoot. The outsole is finished cleanly in matching tones, with discreet branding kept understated.
A modern slide rooted in the house's quieter codes — refined in proportion, considered in finish, and built around the kind of restrained elegance Saint Laurent does at its best.
Aveylia footwear follows the standard European women's size scale. If you're between sizes, we recommend sizing up.
| EU | US | UK | Foot length (cm) |
|---|---|---|---|
| 35 | 4.5 | 2.5 | 22.5 |
| 36 | 5.5 | 3.5 | 23.0 |
| 37 | 6.5 | 4.5 | 23.5 |
| 38 | 7.5 | 5.5 | 24.0 |
| 39 | 8.5 | 6.5 | 24.5 |
| 40 | 9.5 | 7.5 | 25.5 |
| 41 | 10 | 8 | 26.0 |
| 42 | 11 | 9 | 26.5 |
| 43 | 12 | 10 | 27.0 |
Measure your foot from heel to longest toe to find the closest length. Sizes are a guide — fit can vary slightly by style.
Free worldwide shipping. Easy 30-day returns.
True to size. Between sizes? We recommend sizing up.








Loved by women everywhere
The most comfortable heels I own, and I get stopped about them constantly. Already ordered a second pair.
Beautiful quality and they arrived faster than I expected. They look far more expensive than they were.
Ordered three pairs with the bundle deal. Every single one is gorgeous.