** Shares of casual footwear maker Crocs CROX.O down ~17% at $87.77 premarket
** Co expects third-quarter revenue to be down about 9% to 11% compared to a 2% rise reported a year ago; analysts' expected a rise of 0.3%, as per data compiled by LSEG
** Sees adjusted operating margin for third quarter of about 18% to 19%, including anticipated negative impact of about 170 basis points from announced and pending tariffs
** However, CROX beats quarterly estimates on the back of strong performance in Crocs and HEYDUDE brands
** Posts second-quarter revenue of $1.15 billion vs analysts' estimates of $1.14 billion
** Logs quarterly adjusted profit of $4.23 per share vs estimates of $4.01 per share
** Up to last close, stock down about 4% YTD