Advanced scuff cap components designed using an exclusive form of solid TPU, tested to withstand extreme abrasion and withstand harsh materials, such as limestone, concrete, and salt water. Two styles of FORCE10® scuff caps, 1) Stitched, tested to a massive 56,000 revs on a Martindale machine using a super abrasive P180 Grit Paper 2) Cemented, stich free scuff cap, solid TPU cemented to the boot to ensure a problem free bond – Tested to 42,000 revs on a Martindale machine using the same super abrasive P180 Grit Paper. As with all styles and components please email for official test certificates and results.