These choices include the sun protection factor (SPF) rating, which can vary from 8 to 50. SPF is a measure of how much sunlight (UV radiation) is needed to develop sunburn after a sunscreen has been applied, compared to the amount of UV radiation required to develop sunburn on unprotected skin.
Geddert founded Twistars in 1996; its primary competitive training center is in Dimondale, with a second location in DeWitt. The state Department of Licensing and Regulatory Affairs confirmed Tuesday night that Geddert is still considered the resident agent and president of Twistars USA Inc.
Gehrig was voted the greatest first baseman of all time by the Baseball Writers' Association in 1969, and was the leading vote-getter on the Major League Baseball All-Century Team chosen by fans in 1999.