Bought the Kinder 10L running vest and trekking poles for thru-hiking/running the Enchantments in Washington, USA. It's the perfect size pack for a day adventure. I love how adjustable the vest is and the lightweight, collapsible poles that had their designated spot on the vest when not in use. My partner liked my pack so much that he ordered the same in his size. I appreciate the equality of the design. There's no male/female silliness. You order the size that fits your measurements and then adjust the buckles up down and tighten to your body. One of the buckles jammed on my partner's pack during our epic adventure. Thankfully Harrier must anticipate this and includes two spare buckles in the pack purchase. There was no set-back and plenty of trail running to be done yet! Overall really happy with my purchase and will be recommending to all my running buddies. The pack is worth the shipping costs compared to the USA-available Nathan and Osprey options which are limited in sizes and cost significantly more (even when counting shipping!). Thank you Harrier for getting a trail running pack and poles right!