NEW! NEVER USED! FAMILY FUN: Bring your most precious cargo along for all your outdoor adventures with the Kid Comfort. Perfectly engineered to fit the needs of both children and parents. MAX VENTILATION, MAX ENDURANCE: The Aircomfort mesh back system provides maximum ventilation. A durable frame construction designed from flexible and break-proof spring steel provides provides even distribution of load and creates a ventilation space between wearer and pack. ADJUSTABLE: The Vari Slide back length adjustment system allows for personalized comfort and the best fit. LIGHTEN UP: Pull-forward hip fins, padded hip belt, load adjustment straps, and adjustable sternum belt ensure that the load is distributed evenly and backpack stays secure. DURABILITY: Crafted from 210 denier polyamide fabric with strong ripstop threads and PU coating, a fine, lightweight and yet abrasion resistant nylon that is optimal for lightweight backpack construction.