must-have accessory

Translations
необходимый аксессуар
A good pair of sunglasses is a must-have accessory for summer.
Хорошая пара солнцезащитных очков - это необходимый аксессуар для лета.
Definitions
A must-have accessory is an item that is considered essential or highly desirable to complement an outfit or enhance personal style, often reflecting current fashion trends or personal taste.