REBEL Lo Top Safety Shoe The LO Top is a safety shoe with a trendy sneaker styled design. The LO Top shoe has a padded insole, tongue and collar accompanied by the ultra-thick polyurethane (PU) foam with mesh top lining for ultra-comfort. The LO Top Shoe is available in black or charcoal and ISO 20345 approved. BLACK SKU: RE429BK, CHARCOAL SKU: RE429CH