This hydration running backpack vest is designed for marathon and trail running, featuring a lightweight and high-capacity design. It offers a comfortable, ergonomic fit for unisex use.

• Material: 65% polyester, 35% spandex fabric

• Lightweight design, net weight about 200g

• Capacity: 8 liters for storage of essential items

• Sizes available:

  • S: fits chest 80-88 cm (31.5-34.5 inches)

  • M: fits chest 88-99 cm (35-39 inches)

  • L: fits chest 100-110 cm (39-43.3 inches)

  • XL: fits chest 110-120 cm (43.3-47 inches)

• Includes soft flask made of TPU material, 500 ml capacity, BPA and PVC free

• Includes water bladder made of TPU, 2L capacity, BPA and PVC free

• Water temperature suggested for flasks: 0-40°C (32-104°F)