** Shares of German sandal maker Birkenstock BIRK.N rise 6.3% to $48.20 premarket

** Co lifts FY 2025 revenue outlook on demand boost for clogs and shoes

** Expects sales of at least 2.09 billion euros ($2.45 billion), implying growth of about 17.5% at constant currency rates over last year** Co previously forecast full-year revenue growth at the higher end of its forecast range of 15%-17%

** BIRK down ~20% YTD

(Reporting by Joel Jose in Bengaluru)

(( Joeljose@thomsonreuters.com;))