Gloves of Swimming and Climbing [Перчатки плавания и лазания]

Wondrous item, uncommon (requires attunement)

While wearing these gloves, climbing and swimming don't cost you extra movement, and you gain a +5 bonus to Strength (Athletics) checks made to climb or swim.

Source: D&D System Reference Document 5.1, © Wizards of the Coast LLC, licensed under CC BY 4.0.