harayaa 16L Backpack Adjustable Pack for Biking Climbing Outdoor Orange.This Pack is a lightweight, breathable backpack with a capacity of approximately 16L. It features a double stability system for comfortable wear during outdoor activities like cycling, running, or hiking. The material used is water resistant nylon that is light, thin, comfortable, quick drying and resistant to wear and tear.The backpack has a reflective design that enhances visibility in low light conditions making it for night time activities. Size 18cmx7.5cmx45.5cm/7.09inchx2.95inchx17.91inch.The shoulder strap storage can hold two 250ml soft water bottles and energy gels or other supplies. There's also a zippered compartment on the shoulder strap for small items like cards.The main compartment can hold a 2L bladder or lightweight clothing items making it great for long outdoor adventures.It features an adjustable chest system that can be quickly disassembled and adjusted for tightness making it easy to use. Additionally, there are external hanging devices with reflective strips where you can hang warning lights; it also has a mountaineering stick mounting device with elastic rope design for stable carrying without shaking.Pack Backpack Hiking Running. 16L Lightweight Water Bladder Men Women. Storage Hiking Backpack Daypack Camping Cycling. Riding Biking Climbing Backpack. Outdoor Sports Mountain Climbing Storage Bag.