Personal hydration packs comprising a fluid reservoir and a delivery tube; Hydration packs containing a fluid reservoir, delivery tube, and mouthpiece; Water bottles sold empty; Plastic water bottles sold empty; Reusable plastic water bottles sold empty; Drinking bottles for sports; Drinking vessels; Drinking flasks; Personal fluid hydration systems comprising a fluid reservoir, a delivery tube, a mouthpiece and a carrying pack; Insulating sleeve holders specially adapted for the fluid reserv...