The new Due Northr Heavy Duty features 40% more natural rubber. The additional material provides maximum cut and abrasion resistance, while ensuring maximum performance for the life of the product.
Additional features include a built in retention strap for a more secure fit and molded in spikes, no additional accessories or replacement spikes are needed. In comparison to our current industrial grade product, the Heavy Duty has 28 molded-in military grade tungsten carbide spikes to the All Purpose Industrial's 16 removable spikes, and does not require the optional retention strap for the most secure fit.
INDUSTRIAL GRADE SOLE: Exclusive rubber compound features unparalleled grip and maximum durability in ice/snow conditions.