WB-1 is FXD's most supportive style with a taller debossed microfibre collar, medial zip entry, breathable upper, lightweight composite safety toe and lightweight NITROLITE midsole cushioning.
WB-2 is FXD's mid height safety boot style with a taller debossed microfibre collar, medial zip entry, lightweight composite safety toe and lightweight NITROLITE midsole cushion