What distinguishes this Showave model
The manufacturer’s product page describes a synthetic-rubber upper, a steel toe and an integrated Kevlar sole component. It lists sizes 7–13, with black and green options. This is more specific than a generic steel-shank claim, but the material name alone does not establish the complete boot’s puncture-resistance classification.
The manufacturer also claims ASTM F2413-18 toe protection. Ask for the actual pair’s label and relevant puncture marking if underfoot protection is a job requirement. Do not interpret the page’s “puncture-proof” wording as a promise against every nail, angle or force.
Fit the size 12 and check the shaft
The selected size is 12, while the title does not identify a width. Check the toe-cap shape with your work socks and make sure the foot remains positioned while walking. A roomier shaft does not automatically mean a wider forefoot.
This tall rubber format can be relevant for wet and muddy work where a cleanable exterior matters. Compare its shaft with your trousers and normal bending movements. The listing does not give us an independently verified weight or personal wear experience to support a comfort ranking.
Avoid extending the material claims
The manufacturer uses broad oil and acid-resistance language. We did not verify a chemical-specific compatibility chart for the exact ASIN, so this description does not recommend it for chemical handling. Likewise, waterproof construction does not establish electrical insulation. A task requiring metatarsal protection needs a different documented feature, such as the guard concept to investigate on Dunlop’s MetMAX.