Features of the Gregory Miko 20 Pack Complete system of flexible comfort that adapts to your body's unique shape to allow 360 degree free and fluid body movement Dual zippered hipbelt pockets large enough for your phone make it easy to capture moments on your adventure and large mesh side pockets swallow up large vacuum bottles Padded foam with aerodynamic grooves for minimal contact and to promote air movement and keep your back cooler Sparked by the idea to have your pack sync with the natural movements of your body Shoulder harness and hipbelt Are elasticized to allow the support system of the pack to move with you Lower portion stretches and conforms into your lower back providing a dynamic anchor for the load of your pack Up top, the adjustable torso provides the perfect Fit to balance the load with the perforated shoulder straps Whole system breathes thanks to the padded back with carved in ventilation channels to expel heat and keep your back cooler Lower portion stretches and conforms into your lower back providing a dynamic anchor for the load of your pack Padded foam with aerodynamic grooves to promote air movement and keep your back cooler Connected edge to edge to balance the load, the harness can be adjusted 3.5in. to dial in the Fit Perforated foam and elastic binding provide flexible breathable comfort Secure zippered pockets large enough for phones and all your trail essentials BioSync flexible hipbelt and shoulder harness that stretch and move with the natural motions of your body Adjustable torso length that is connected edge to edge to balance the load and provide 3.5in. / 9 cm of adjustment Channeled foam backpanel featuring aerodynamic grooves to promote air movement and keep your back cooler Perforated, padded shoulder harnesses with flexible edge construction for dynamic, breathable comfort Large zippered hipbelt pockets large enough to carry your phone and trail essentials Independent zippered pocket with SpeedClip hydration hanger, compatible with Gregory's Hydro Reservoirs (reservoir not included) Top quick access pocket with soft touch liner for storing Items with screens for extra protection Dual side stretch mesh pockets and side compression to secure external gear Trekking pole attachment with adjustable Upper bungee loops and bottom reflective loop Front reflective light attachment loop and top reflective gear loops Custom ComfortGrip molded zipper pulls and molded webbing keepers for strap management Recycled Nylon - The fabric used is 45% recycled Nylon fiber Material provides a significant reduction in carbon impact over standard nylon materials GRS Certified Fabric - Third party certified recycled fabric that adhere to strict social and environmental requirements, and verification processes Data Driven Design - Measured by a lifecycle analysis program, the design and material choices Are led by the data to maximize the reduction in carbon footprint PFC-Free DWR - All pack fabrics Are treated with a PFC-Free durable water repellent coating Recycled Liner - Interior fabrics Are made from 40% Post-consumer Recycled 135D Polyester Fabric Details Body: 100D High Density 30% Recycled Nylon 210D High Density 45% Recycled Nylon with PFC-free DWR Base: 210D High Density 45% Recycled Nylon with PFC free DWR Lining: 40% post-consumer Recycled 135D Polyester with PFC-free DWR