Here's a possible improved product description, optimized for an e-commerce site and based on information available online (considering the provided EAN specifications):

```markdown

Esprit ET17893 Sunglasses: Elegance and Protection for an Unmistakable Style

Express your personality with Esprit ET17893 sunglasses, a unisex accessory that combines contemporary design and high-quality sun protection. Perfect for those who want a touch of refinement without sacrificing functionality, these glasses are ideal for completing any outfit with a discreet and sophisticated elegance.

Modern and Versatile Design

The black resin frame gives these glasses a modern and minimalist look, perfect for adapting to different styles and occasions. The clean lines and lightweight design make them comfortable to wear all day long, while the black color adds a touch of timeless elegance. Whether you're strolling around town, relaxing on the beach, or enjoying an outdoor aperitif, the Esprit ET17893 will be your trusted accessory.

Optimal Protection for Your Eyes

Your visual health is paramount. For this reason, Esprit ET17893 glasses are equipped with polycarbonate lenses with UV400 protection, which blocks 100% of UVA and UVB rays. The category 3 sun filter offers excellent protection from intense light, making these glasses perfect for sunny days. You can enjoy the sun safely, knowing that your eyes are protected from the damaging effects of sunlight.

Comfort and Style Details

The 15 mm bridge and 140 mm temples ensure a comfortable and secure fit. The lightness of the materials used contributes to a pleasant user experience, even for extended periods. Every detail has been taken care of to offer a high-quality product, designed to last.

Technical Specifications:

Frame Color: Black

Frame Material: Resin

Lens Material: Polycarbonate

Bridge: 15 mm

Temples: 140 mm

Sun Filter: Category 3

UV Protection: UV400 (100% UVA/UVB protection)

Gender: Unisex

A Perfect Gift

Esprit ET17893 sunglasses are a great gift idea for those who love fashion and attention to detail. Included in the package you will find the elegant original Esprit case, ideal for protecting and storing your glasses when you are not wearing them. Give (or treat yourself to) a stylish accessory that combines elegance, functionality and protection.

Choose Esprit, Choose Quality

With Esprit, you choose a brand synonymous with quality, style and attention to detail. Add a touch of class to your look and protect your eyes with Esprit ET17893 unisex sunglasses. Order now and get ready to experience the sun in style! ```