{"id":10795,"date":"2026-07-01T15:15:18","date_gmt":"2026-07-01T07:15:18","guid":{"rendered":"https:\/\/www.aegisec.com\/?p=10795"},"modified":"2026-09-07T16:06:54","modified_gmt":"2026-09-07T08:06:54","slug":"s1-s2-s3-and-s7-safety-shoes-complete-guide-to-en-iso-20345-protection-classes","status":"publish","type":"post","link":"https:\/\/www.aegisec.com\/es\/s1-s2-s3-and-s7-safety-shoes-complete-guide-to-en-iso-20345-protection-classes\/","title":{"rendered":"Calzado de seguridad S1, S2, S3 y S7: Gu\u00eda completa de las clases de protecci\u00f3n EN ISO 20345"},"content":{"rendered":"

Choosing the right safety shoes can be confusing. S1, S2, S3 and S7 are not simply product names \u2014 they represent different levels of protection defined by EN ISO 20345 safety footwear standards.<\/p>\n

 <\/p>\n\n\n\n\n\n\n\n\n
Class<\/th>\nProteccion<\/th>\nRecommended Workplace<\/th>\n<\/tr>\n<\/thead>\n
S1<\/td>\nToe protection + antistatic + heel energy absorption<\/td>\nWarehouse, indoor factory<\/td>\n<\/tr>\n
S2<\/td>\nS1 + water-resistant upper<\/td>\nLight wet environments<\/td>\n<\/tr>\n
S3<\/td>\nS2 + puncture resistance + outsole grip<\/td>\nConstruction, outdoor work<\/td>\n<\/tr>\n
S7<\/td>\nS3 + waterproof protection<\/td>\n\n

Mining, heavy industry, wet environments<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

S1<\/strong> (Basic protection, dry environments)
\nFeatures: Impact-resistant toe cap, antistatic properties, heel energy absorption, and a closed-heel design.<\/p>\n

Suitable for: Warehouses, indoor factory areas, and other dry environments.<\/p>\n

 <\/p>\n

S2<\/strong> (Enhanced water resistance, mildly damp conditions)
\nAdds to S1: Water-resistant upper (WPA).
\nSuitable for: Mildly damp areas, cleaning operations, or semi-outdoor environments.<\/p>\n

 <\/p>\n

S3<\/strong> (Reinforced for outdoor use)
\nAdds to S2: Puncture-resistant midsole + cleated slip-resistant outsole (deeper tread).
\nSuitable for: Construction sites, logistics, and complex outdoor terrain.<\/p>\n

 <\/p>\n

\"S3<\/p>\n

S7<\/strong> : The Highest Protection Level for Wet and Harsh Environments
\nFurther enhancements over S3: Higher-level water resistance (WR rating), superior durability, and all-weather adaptability.
\nSuitable for: Mining, heavy industry, and environments involving prolonged wetness or harsh conditions.<\/p>\n

\"S7<\/p>\n

 <\/p>\n

Preguntas frecuentes<\/h2>\n

P1:<\/h3>\n

What is the difference between S3 and S7 safety shoes?<\/strong><\/p>\n

S7 provides the same protection as S3 but adds waterproof protection (WR).<\/p>\n

P2:<\/h3>\n

Are S7 safety boots completely waterproof?<\/strong><\/p>\n

S7 safety footwear is designed with WR waterproof protection according to EN ISO 20345:2022.<\/p>\n

P3:<\/h3>\n

Which safety shoe rating is best for construction workers?<\/strong><\/p>\n

S3 or S7 depending on whether waterproof protection is required.<\/p>\n

\u00a0<\/p>\n

Recommended AEGISEC Safety Footwear Solutions\uff1a<\/strong><\/p>\n

For Indoor Workplaces<\/h3>\n

\u2192 Zapatos de seguridad S1<\/a><\/p>\n

For Construction & Outdoor Work<\/h3>\n

\u2192 S3 Safety Boots<\/a><\/p>\n

For Wet & Extreme Environments<\/h3>\n

\u2192 S7 Waterproof Safety Boots<\/a><\/p>\n

 <\/p>\n

Looking for S1, S2, S3 or S7 safety footwear for your market? AEGISEC provides OEM and ODM safety shoe solutions for distributors, wholesalers and industrial buyers worldwide.<\/p>\n

 <\/p>\n

Correo electr\u00f3nico: christyxu@aegisec.com
\nWhatsapp\/Wechat: -86 15305696670<\/p>","protected":false},"excerpt":{"rendered":"

Choosing the right safety shoes can be confusing. S1, S2, S3 and S7 are not simply product names \u2014 they represent different levels of protection defined by EN ISO 20345 safety footwear standards.   Class Protection Recommended Workplace S1 Toe protection + antistatic + heel energy absorption Warehouse, indoor factory S2 S1 + water-resistant upper […]<\/p>","protected":false},"author":6,"featured_media":10796,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/www.aegisec.com\/es\/wp-json\/wp\/v2\/posts\/10795"}],"collection":[{"href":"https:\/\/www.aegisec.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.aegisec.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.aegisec.com\/es\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.aegisec.com\/es\/wp-json\/wp\/v2\/comments?post=10795"}],"version-history":[{"count":7,"href":"https:\/\/www.aegisec.com\/es\/wp-json\/wp\/v2\/posts\/10795\/revisions"}],"predecessor-version":[{"id":11008,"href":"https:\/\/www.aegisec.com\/es\/wp-json\/wp\/v2\/posts\/10795\/revisions\/11008"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.aegisec.com\/es\/wp-json\/wp\/v2\/media\/10796"}],"wp:attachment":[{"href":"https:\/\/www.aegisec.com\/es\/wp-json\/wp\/v2\/media?parent=10795"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.aegisec.com\/es\/wp-json\/wp\/v2\/categories?post=10795"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.aegisec.com\/es\/wp-json\/wp\/v2\/tags?post=10795"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}