Plus Size fit is comparable to 2x-6x in apparel sizing and the torso sizing remains consistent with all other Gregory products. See our Fit Chart for complete fit dimensions. , Plus Size packs are designed with extended length shoulder straps and hip belts, plus additional fit revisions to accommodate larger body shapes and sizes. , VaporSpan ventilated backpanel with specialized mesh panels to provide anatomical support , Comfort cradle hipbelt with seamless design for hotspot free comfort , Hipbelt zippered pockets large enough to fit most phones