Oakley Tool Pouch Back Pack: Even a mid-size pack should give you all the storage space you need to bring along every essential that could come into play. The Oakley TOOL POUCH BACKPACK fits the bill. We worked the dimensions to maximize capacity without adding side bulk that could get in your way. Your spare tire, pump, ID and key stay organized in the interior panel. The clamshell opening gives you a place to cinch down your helmet. Stash your tools in the exterior pocket, your phone in the strap holster, and your eyewear in the soft-brushed pocket. For heavier loads that require more stability, attach the waist strap