FreeFloat 360 - Ventilated, dynamic backpanel with rotating harnesses for the ultimate in dynamic fit and comfort. Performance Package - Built with recycled high-density blended nylons and a suspension featuring Customizable Comfort - An adjustable torso length and a customizable hipbelt work together to give you unmatched fit for body-hugging comfort. Polygiene Stays Fresh Technology - inhibits the growth of odor to keep your pack fresher, longer.