The following safety boots should be vegan (leather-free). Please double-check before you buy. You can search their website for "free of leather" or "lederfrei" (German). Unfortunately, the search for "sans piel" (in French) doesn't seem to work. But if you click on the links below, then change the language at the top of the page to French (FR), and look at the info describing the shoes, click on "plus", you should find the "leather-free" ("Équipement sans cuir") bullet point.
Metallica safety boots - waterproof - from European size 40
"Steel toe cap, steel midsole" "steel cap and puncture-resistant steel sole"
Kastra II mid - waterproof - from European size 38
"penetration-proof steel sole" "steel toe cap and steel midsole"
Zahnia mid - waterproof - from European size 39
"100 % metal-free plastic cap and puncture resistant sole made of ceramic treated textile fibres"
Zardik mid - waterproof - from European size 39
"The plastic toe cap wards off impacts and bumps, whilst the puncture-resistant sole prevents sharp or pointed objects penetrating the shoes"
Baham II mid - not waterproof - from European size 36
"steel cap, steel midsole"
Nakuru mid - not waterproof - from European size 38
"steel toe cap" - no puncture-resistant soles
Banco mid - not waterproof - from European size 38
"NanotoeTM plastic cap and the puncture-resistant textile sole, both certified acc. to the latest safety standards"
Tolosa II mid - not waterproof, textile - from European size 36
"very stable aluminium cap and puncture-resistant steel sole"
"steel toe cap and steel midsole"
