SUNNYIFY

【Size and weight】 : The size of the vest is 28*43cm and the recommended chest circumference is 68-130cm. Its net weight is 190g.

【Material】 : The fabric is made of nylon elastic cloth, which is more light and breathable. The fastener is more toughness, strong and durable.

【Ergonomic design】 : The back adopts ergonomic design, it closes to the torso. It is comfortable to touch and breathable without shaking.

【Multi-function】 : The back of bag has storage and storage warehouse, the front has kettle warehouse, cell phone warehouse, energy warehouse and other elastic net pocket. It is a small vest easy to run a marathon.

【Adjustable size】 : The waist, abdomen and chest have buckle adjustment.It  can be adjusted according to their own size, wear more comfortable.

【Easy to carry】 : It can hydrate quickly and is more convenient to wear and take off.It is reasonable storage and more convenient to carry.