Engineered for premium comfort and long-lasting dependability, the Terra® Byrne combines time-tested materials and modern innovations to create a metal-free, do-it-all work boot that sacrifices nothing. The leather is fully waterproof and backed by a waterproof/breathable membrane. Moisture-management comes standard, with a wicking lining and CLEANFEET® odor-control treatment. Under foot, the PU comfort midsole pairs with the slip-, heat- and acid-resistant high-traction TPU outsole. CSA Grade 1 composite toe, composite plate and electric shock resistance round out the technologies that will help keep you safer and working your best. Raked and padded comfort collar. CSA and ASTM approved composite safety toe, composite plate, ESR/EH