THIS PRODUCT IS AVAILABLE FOR PURCHASE WHEN OUT OF STOCK Hyperlite Mountain Gear are typically custom-ordered once an online order has been placed. Typically we will be able to ship your item to you within 4-6 weeks. In some instances we will have your item in stock already and will ship immediately. Designed for multi-sport athletes and multi-discipline adventures, the Porter is a blank canvas with limitless modularity–or as limitless as your imagination. The most stripped-down model we make, this multi-discipline adventure pack is meant to be used anywhere, in any season, for any length of time. Features: Daisy chains: Daisy chains on shoulder straps, four external, vertical daisy chains for attaching extra gear for trip-specific customization and allows two ice axes to be carried. Zippered pockets: Hardline with Dyneema® zippered pockets on hip belt with #5 YKK zipper Top closure: Roll-Top closure system with side compression straps for vertical compression Hipbelt: Hardline with Dyneema® dual-density hip belt with 1/8” closed cell rigid foam, 1/4” closed cell foam and spacer mesh Back: Integrated 1/4” foam back panel pad Internal pockets: Internal 8" x 8" zippered pocket Side straps: Four side compression straps for horizontal compression Top compression straps: Top Y-strap compression designed to secure gear Shoulder straps: Hardline with Dyneema® shoulder straps with 3/8” closed cell foam and spacer mesh Stays: Two removable, contoured aluminum stays Sternum straps: Adjustable sternum strap with self-tensioning elastic and whistle Sealing: Seam tape on all vertical side seams and behind all sewn-on pack features Water resistant