extra padded split dual wishbone waist pad with independent and bottom hip and torso adjustments offer a perfect customizable fit; unique lumbar adjustment only seen in higher-end packs durable: black oxford shell for added strength is perfect for the most rugged adventures; multiple compression straps come with strong buckles for balancing your pack reach out to our amazing product support team if you have any questions or concerns; you can count on us to get you taken care of and back outdoors each of these backpacks provide superior comfort and a precise fit with the help of tension adjustments at the shoulders, chest, and torso..syi