If you are an avid sportsperson, then the Hydro Flask Standard Mouth Sport Cap is perfect for you!
With great insulation, this lid assists in keeping your drinks icy cold. Simply screw it on to any standard mouth drink bottle from Hydro Flask. It has a “no whistle†valve, which makes it super quiet to drink from. Not to mention, it is easy to drink from one handed!
If you are looking for a new lid, check out the Hydro Flask Standard Mouth Sport Cap.