relieving neck tension and improving weight distribution if worn for long hours

La estructura combina un eje de hierro con 8 varillas metálicas que aseguran firmeza y máxima estabilidad frente a ráfagas inesperadas de intensidad variable

and provide both constant and reliable tension for performing numerous physical variations without deforming after extended stretching

ensuring greater safety

Con medidas de 110 x 54 cm y un peso de 2

Mochila ergonómica estilo vintage Color:Gray relieving neck tension and improving{USB charging port} Features an external port that can charge all kinds of electronic devices when other options run out, offering a more convenient way to keep your phone's battery charged while traveling. {Ergonomics} The comfortable, adaptable, and lightweight 'S' shaped design of the strap protects the spine, relieves neck strain, and improves weight distribution if worn for long hours. {Durable materials} The materials used in the backpack