MAGNUM WILD-FIRE TACTICAL 8.0 SZ WPIFeatures and Benefits The Wild Fire Tactical 8. 0 SZ WPI are the best boots for those who require a professional grade tactical boot. Keep your feet dry with its Mag Dri waterproof feature with breathable mesh lining and an I Shield feature that repels water, dirt, and stains. Magna Shield leather upper with hardwearing breathable mesh panels Breathable moisture wicking mesh lining with padded collar for all day comfort Contoured EVA insole delivers