I purchased this for my son as a christmas gift and really am happy with the quality and workmanship of this water bottle water bladder backpack too often other competitive competing products retail for 102 129 so this is really a nice alternative thats wellmade and can be used for mountain biking or skiing without the additional cost associated with the big name brands like camelback if we did receive this product at a discount in exchange for an honest review but our opinion is exclusively her own and i wouldve purchased this product at full price because of the wonderful quality the pack looks good but the water tank inside leaks