Table 2 Cumulative HWIB damage observed on inspections at 10, 19 and 64 weeks of training
Affected area | Problem | No. of boots affected |
|---|---|---|
Hind foot area over Achilles tendon | Severely abraded or torn | 3 (1.2 %) |
Problems involving lace holder (lateral or medial) | Severely abraded or torn | 5 (2 %) |
Problems with upper including tear not specified above | Severely abraded or torn | 37 (15 %) |
Inner lining | Torn | 1 (0.4 %) |
Anterior sole | Split between rubber and PU (delamination) | 9 (4 %) |
Problems with anterior or posterior part of upper-sole interface | Most of stitches torn or clear separation present between upper and sole | 110 Anterior 79 Posterior (45 %, 32 %) |
Total areas of damage | Any | 244 (100 %) |
Total pairs of boots examined | 174 | |
Total pairs of boots with damage | Any pair with severe damage in at least one boot | 106 (61 %) |