This trail running backpack is designed for outdoor sports like running, cycling, hiking, and jogging. It features a hydration vest pack with a water bladder to keep you hydrated during your activities.

• Backpack capacity: 5 liters

• Water bladder capacity: 1.5 liters

• Backpack weight: 250 grams

• Water bladder weight: 110 grams

• Material: high quality polyester backpack; food-grade PVEA water bladder

• Design includes breathable mesh and sponge back pad

• Features night reflectors for visibility in low light conditions

• Temperature range: -20 to 50 °C

• Available colors: black, red, gray, blue