Open Pack Design™ Optimal storage, easy access. Kulkea’s Speed Line is designed around a jumbo wide-mouthed main pocket for internal visibility and effortless access for those skiers who want quick, easy and convenient packing. SPSPPSPRXLSS More Stories Isolated Compression No zipper interference. Low profile, always-engaged compression straps for size adjustment and additional load control. Smart Straps Got a Cap or Karabiner? Kulkea ski boot backpacks include webbing loops, daisy chains or… Stash Pocket Stash your snacks, goodies and essentials in a water resistant zippered pocket.