Mature adult woman practicing fitness outdoors holding bottle of water and yoga mat looking at online guide at smartphone. Senior healthy lifestyle, vitality, healthcare concept. Copy space. senior; woman; active; 65 years; sport; fitness; activity; healthy; outdoors; summer; workout; online; lifestyle; mature; pensioner; water; drink; health; care; bottle; hydration; exercise; mat; fit; old; elderly; nature; phone; yoga; practicing; backyard; garden; fitness watch; bracelet; aged; application; training;