Mass Gain Program™

• Absolute comfort: The ultra-soft interior fabric envelops you in soothing warmth, perfect for cool days or your cocooning moments.

• Safety and stability: Thanks to an ingenious non-slip texture, every step is safe, whether on smooth parquet or cold tiles.

• Health and Posture: Featuring specially designed orthopedic insoles, these slippers support your feet while improving your posture, for a prolonged comfort experience.

At Sleak ® PARIS , we've designed our slippers with luxurious materials and orthopedic insoles that mold perfectly to your feet for unparalleled comfort. To ensure this unique experience , our models offer a slightly adjusted fit to mold to the shape of your feet over time.

For optimal comfort from the first wear, we recommend choosing a size larger than your usual size (for example, for a 36/37, opt for a 38/39). This choice ensures a feeling of lightness and ease, in accordance with the quality requirement that characterizes our products.

Adopt the style and comfort of a high-end brand, perfectly suited to your everyday life.