REBEL FX2 Chelsea Boot Black The FX2 Chelsea boot is a general-purpose work boot that includes a 200J steel toe cap and steel midsole for anti-penetration protection. The laceless design ensures efficient slip-on and off functionality as well as a stylish look. The FX2 Chelsea boot is available in black or brown and is ISO 20345 approved. BLACK SKU: FX2-CB-S1P, BROWN SKU: FX2-CB-BR