Due North Industrial Ice + Snow Light Industrial Traction Aids Proprietary tread design for added slip resistance. 12 (6/pair) replaceable, military-grade tungsten carbide Due North Ice Diamond spikes maximize traction and performance. Spike patterns have been strategically placed at the heel and front of the sole, leaving the mid-sole area open for safe ladder use no need to remove when climbing or descending ladders (mid-soles models excluded). Exclusive specially formulated 100% natural rubber provides maximum flexibility and durability in extreme cold conditions. Improved toe-box design enhances fit and function Pack of 1