Hiking Backpack 40L/50L/60L Rucksacks

Features:
Water repellent and tear resistant nylon fabric.
Fine quality zippers, easy zip and unzip.
Two sides mesh pocket for water bottle or other accessories.
Breathable and padded back panel.
Adjustable sternum strap and shoulder strap.
Survival whistle for emergency.
Side and front adjustable straps for hanging trekking pole, tripod or anything you need.
Bar tack stitching reinforcement.
Waistpack for cell phone, keys, small accessories.
Alpenstock clasp and tent/sleeping bag straps.
Adjustable waist and chest strap.
D-ring for small accessories.