REFLECTIVE STRIP DESIGN: Front and Back Reflective Strip Design, ensure safety in any light at night during sport; One size, recommended chest circumference 78-110cm / 30.71-43.31inch
Multiple storage compartments: Plenty of pockets and pouches for storing various items such as a cell phone, keys, a lightweight raincoat, a 250ml (8.45 oz) water bottle, a hydration bladder, and more for outdoor activities.
LIGNTWEIGHT AND DURABAL MATERIAL: Made of ultralight nylon,spandex and polyester fiber, breathable mesh back and shoulder strap,that's very lightweigh comfortable and durable and Adjustable Straps always Make you Have a Comfortable Fit. Let you Enjoy your Outdoor Activities without more Bulking.
FIT YOU WELL: Ergonomic designed vest-shaped bag coming with adjustable waist strap and high elastic chest strap. so it can fit most body sizes and keep high stability.This backpack can be used for more than just hiking.It is suitable for almost all outdoors activities such as running, riding, camping, marathon, etc.
APPLICABLE OCCASION: Just wear it with the adjustable elastic bands, for night walking, cycling, hiking, climbing trail and all other outdoor sports and exercise.