I have used this pack for nearly 5 solid months of travel through 13 countries and it shows almost no signs if wear. It has this magical ability to always have room for one more thing, no mattet what that item is! Extra water bottle, slid it in the side pocket. Snorkel mask, fits nicely wrapped in clothes in the main compartment. Solar panels for charging on the go, slide it in the bottom compartment next to the sewing and first aid kit. It had enough space for a complete winter wardrobe throughout European winter and now holds summer gear for Asia with ease! The waist belt holds the weight on your hips so your back and shoulders are not strained. I wear a S/M and can adjust in three places when I need to. My only complain it that the was it belt pockets are not useable due to the placement and size. I can't reach around to get into them and my regular sized Samsung phone doesn't fit. It's not like I have a tablet phone, just a plain Samsung J3.