Safety Boots & Gumboots

Applicable Standard: EN ISO 20345:2022 — Personal Protective Equipment: Safety Footwear (recognized by KEBS); ASTM F2413 applies as the equivalent US benchmark.

Safety boots and gumboots get imported and inspected as a single “protective footwear” line, but they’re actually two quite different product families sharing one standard: leather or composite safety boots built for construction and general industrial sites, and moulded rubber or PVC gumboots built for wet, agricultural, or food-processing environments. Both fall under EN ISO 20345’s SB-through-S5 classification system, and the mistake we see most often is an importer treating “a working boot” and “a genuinely certified toe cap and midsole” as the same purchase decision when they are, in fact, two separate engineering claims that each need their own verification. Gumboots add a further wrinkle: because the whole boot is a single moulded rubber or PVC piece rather than an assembled leather upper with a bonded sole, the classification shifts to the Class II codes (SB through S5 for solid rubber/polymer footwear), and importers who source both leather boots and gumboots from the same catalogue often apply Class I labeling logic to a Class II product without realizing the two run on different tables.

Why This Category Gets Flagged

Three issues dominate. First, toe caps that are structurally present but under-rated relative to the printed classification — steel or composite caps sourced from one supplier and assembled into boots by another, with no combined assembly test ever run to confirm the finished boot still absorbs 200 J of impact and 15 kN of compression without dangerous clearance loss. Second, midsole penetration resistance claimed (an S3 or S5 classification) without a genuine steel or verified non-metallic insert — “puncture resistant” printed on a textile-lined boot with no tested insert underneath is one of the most common single defects we encounter. Third, gumboots marketed as food-grade white PVC (S4) without any migration or food-contact testing of the actual polymer compound used — the mechanical rating and the food-safety rating are two entirely separate questions, and passing one says nothing about the other. A related and frequently overlooked issue is slip-resistance testing performed on a single outsole tread pattern and then applied across an entire size range, when in practice tread depth often changes slightly at the largest and smallest mould sizes in a production run, enough to shift the measured coefficient of friction on an oily or wet floor.

Test Parameters

Labeling Requirements

Footwear must be marked with manufacturer, size, month/year of manufacture, the EN ISO 20345 standard and year, and the classification actually achieved (SB, S1, S2, S3, S4, or S5), along with any additional letter marks genuinely tested for — WR (water resistant), SRC (combined slip resistance), A (antistatic), HRO (heat-resistant outsole), or CI (cold insulation). Kenyan importers sourcing gumboots for food-processing or abattoir use should specifically confirm and retain migration-test documentation, since a standard industrial-grade PVC compound is not automatically food-safe simply because the boot is white or marketed for that sector. The classification letters themselves should also be checked against material type — SB, S1, and S3 apply to Class I (leather/textile) footwear, while S4 and S5 apply to Class II (all-rubber or all-polymer) footwear such as gumboots, and a supplier printing an S3 rating on a moulded rubber boot has almost certainly mislabeled the classification system entirely rather than the individual product. Country of origin, a batch/lot reference, and (since the 2022 revision) the outsole marking indicating slip-resistance class should also be present, and importers should verify that the physical marking on the sole matches the size and classification printed on the box liner rather than assuming the two are always kept in sync through repackaging.

Packaging & Documentation

Typical Gaps We Find

The most frequent defect is a toe cap that tests well below its marketed rating once independently verified — compliant to something closer to 100 J than the claimed 200 J, usually because the cap supplier and the boot assembler have never run a combined test on the finished product. Close behind is an S3 classification printed on boots with no verifiable penetration-resistant insert at all. We also regularly find size-range drift, where only a mid-size sample from the production run was ever lab tested and the outer sizes — the largest and smallest in the batch — differ enough in wall thickness and cap fit that their real protection level is unverified. Slip-resistance figures copied from a different tread pattern than what’s actually moulded into the shipped boots round out the recurring list. None of these require a redesign; they require sourcing the tested components, matching the classification letters to the correct footwear class, and keeping the paperwork aligned to what’s actually in the carton.