--- title: Technical features url: "https://www.heckel-securite.fr/en/knowledge/technologies/technical-features/" description: Heckel offers safety shoes with various technical features against mechanical and thermal risks as well as metal-free shoes. date: 2017-06-13 modified: 2024-07-23 locale: en_GB --- # Technical features Technical features ==================== Heckel Footwear offers a number of safety and protections specifications. In order to facilitate understanding of these specifications, we use various pictograms. Here is the list of those pictograms and their meaning. Mechanical risks ------------------ ![Protective steel toecap](https://d3rbxgeqn1ye9j.cloudfront.net/images/f4xArhtxgly35M6vaUr9iS-d6O08oQIZyAzgrwtknJw/w:50/h:50/fn:Y3NtXzE2Ml9lOTI1YzU4ZTEx:t/cb:39efdab740058106cbd4ef9ba4993f03f96bdaae/el:1/fq:jpeg:85:avif:70:webp:80/aHR0cHM6Ly9kM3JieGdlcW4xeWU5ai5jbG91ZGZyb250Lm5ldC9maWxlYWRtaW4vdXNlcl91cGxvYWQvMTYyLnBuZz8xNDk1MDk3MDY0 "Protective steel toecap") ### Protective steel toecap Provides protection against falling objects up to 200 joules and compression of up to 15 000 Newton in accordance with the EN 20345 standard ![Non-metal protective toecap](https://d3rbxgeqn1ye9j.cloudfront.net/images/-8-NP1U_-Gu67Vbn0DP-PQnvCpGs7tCoitG7Aya2iaE/w:50/h:50/fn:Y3NtXzE1M18zZjg5M2JlNDM0:t/cb:3c10726792ba29c9204c22ce050f47c14bf53fba/el:1/fq:jpeg:85:avif:70:webp:80/aHR0cHM6Ly9kM3JieGdlcW4xeWU5ai5jbG91ZGZyb250Lm5ldC9maWxlYWRtaW4vd3d3LmhlY2tlbC1zZWN1cml0ZS5mci90ZWNobm9sb2dpZXMvdGh1bWJuYWlsLzE1My5wbmc_MTcyNTk3MTg3Ng "Non-metal protective toecap") ### Non-metal protective toecap • Provides protection against falling objects up to 200 joules and compression of up to 15 000 Newton in accordance with EN 20345 • 100% antimagnetic • Comfortable due to its ergonomic shape • Extra wide • 20% lighter than conventional steel toecap • Conducts less heat and cold than a metal toecap ![Stainless steel penetration resistant midsole](https://d3rbxgeqn1ye9j.cloudfront.net/images/jI1XI7-TD3BObS-gwmXYXC7h9J8TpqZ8ByPiw_xnewM/w:50/h:50/fn:Y3NtXzIxMF84MmIwNGFjMWYx:t/cb:c628baafbe780e0df7f6e8b3e24510b86313f008/el:1/fq:jpeg:85:avif:70:webp:80/aHR0cHM6Ly9kM3JieGdlcW4xeWU5ai5jbG91ZGZyb250Lm5ldC9maWxlYWRtaW4vd3d3LmhlY2tlbC1zZWN1cml0ZS5mci90ZWNobm9sb2dpZXMvdGh1bWJuYWlsLzIxMC5wbmc_MTQ5MzcyNzY3Mw "Stainless steel penetration resistant midsole") ### Stainless steel penetration resistant midsole Resists to perforation up to 1 100 Newton in accordance with the EN 20345 standard ![Non-metal penetration resistant sole](https://d3rbxgeqn1ye9j.cloudfront.net/images/onbIrj8h7NcsGKWxNkepx88f7bnjjK4F4nBS7xuxbT0/w:50/h:50/fn:Y3NtXzE1Ml80NjlhMjBlOGI2:t/cb:2c989ec56166d079cc1fd6e7ac9acf29df459ba8/el:1/fq:jpeg:85:avif:70:webp:80/aHR0cHM6Ly9kM3JieGdlcW4xeWU5ai5jbG91ZGZyb250Lm5ldC9maWxlYWRtaW4vd3d3LmhlY2tlbC1zZWN1cml0ZS5mci90ZWNobm9sb2dpZXMvdGh1bWJuYWlsLzE1Mi5wbmc_MTQ5MzcyNzY3Mw "Non-metal penetration resistant sole") ### Non-metal penetration resistant sole • Resists to perforation up to 1 100 Netwon in accordance with the EN 20345 standard • 100% composite • Flexible • Antimagnetic • Protects 100% of the surface of the foot (as opposed to 85% on average for steel soles) • Lighter than steel soles • Conducts less heat and cold than a metal sole ![Resistance to water penetration](https://d3rbxgeqn1ye9j.cloudfront.net/images/K0gKWhIVpG8K3tBOzM0DtJYb04nIUyWuMpVsmdbYUz8/w:50/h:50/fn:Y3NtX2ljb25fd2F0ZXJfcmVzaXN0YW5jZV9mMDBiMzY0M2Vj:t/cb:b8f707282d22738c08772338ef38883c69e63ae2/el:1/fq:jpeg:85:avif:70:webp:80/aHR0cHM6Ly9kM3JieGdlcW4xeWU5ai5jbG91ZGZyb250Lm5ldC9maWxlYWRtaW4vd3d3LmhlY2tlbC1zZWN1cml0ZS5mci90ZWNobm9sb2dpZXMvdGh1bWJuYWlsL2ljb25fd2F0ZXJfcmVzaXN0YW5jZS5wbmc_MTQ5NTAzNTE3Mg "Resistance to water penetration") ### Resistance to water penetration WRU in accordance with the EN 20345 standard ![GORE-TEX](https://d3rbxgeqn1ye9j.cloudfront.net/images/D-vypTI4EckLx2medNcVUX8-rfJ2wLJwPABeg4AbWGM/w:50/h:50/fn:Y3NtX2ljb25fZ29yZS10ZXhfOTJlYjM2MDY2Yg:t/cb:d4d265bb4f835b77b63d77ef5c7635951e455cc3/el:1/fq:jpeg:85:avif:70:webp:80/aHR0cHM6Ly9kM3JieGdlcW4xeWU5ai5jbG91ZGZyb250Lm5ldC9maWxlYWRtaW4vd3d3LmhlY2tlbC1zZWN1cml0ZS5mci90ZWNobm9sb2dpZXMvdGh1bWJuYWlsL2ljb25fZ29yZS10ZXguanBnPzE0OTQ5MzU0MTg "GORE-TEX") ### GORE-TEX Safety footwear equipped with GORE-TEX membrane. GORE-TEX guarantees high breathability, long-lasting waterproofness and outstanding comfort ![MACSOLE®](https://d3rbxgeqn1ye9j.cloudfront.net/images/VCPCqfTHfe3cy6qzbq3zODAqAAqpz0vG_FKgENGEgQ8/w:50/h:50/fn:Y3NtX2xvZ28yLU5fYmVlZjAwYjUzYw:t/cb:d23105349d317810b71ae12a9fb6bb352635e651/el:1/fq:jpeg:85:avif:70:webp:80/aHR0cHM6Ly9kM3JieGdlcW4xeWU5ai5jbG91ZGZyb250Lm5ldC9maWxlYWRtaW4vdXNlcl91cGxvYWQvX3RlbXBfL2ltcG9ydGV4cG9ydC9sb2dvMi1OLmpwZz8xNDk3ODU5MzQz "MACSOLE®") ### MACSOLE® MACSOLE® soles, made from an exclusive mixture of nitrile rubbers offer unequalled performances in terms of adherence, safety and longevity in the most extreme conditions Chemical risks ---------------- ![Resistance to contact heat (HRO)](https://d3rbxgeqn1ye9j.cloudfront.net/images/ANp5PDfiViVCGZN4JupTZ8AscWO3uwbnz8piJUUmAWI/w:50/h:50/fn:Y3NtXzIwMF8wZmE0OWQwNGUz:t/cb:af2d72c1735d54b4ef6aebe01ff1f23c9a7c3d25/el:1/fq:jpeg:85:avif:70:webp:80/aHR0cHM6Ly9kM3JieGdlcW4xeWU5ai5jbG91ZGZyb250Lm5ldC9maWxlYWRtaW4vd3d3LmhlY2tlbC1zZWN1cml0ZS5mci90ZWNobm9sb2dpZXMvdGh1bWJuYWlsLzIwMC5wbmc_MTQ5MzcyNzY3Mw "Resistance to contact heat (HRO)") ### Resistance to contact heat (HRO) Resists to temperatures of up to 300°C in accordance with the EN 20345 standard (HRO) ![Thermoshield XTREM](https://d3rbxgeqn1ye9j.cloudfront.net/images/6LTueqMmxRFiSebE9suXmw8kjCVuLk3LrYocG_nIF5I/w:50/h:50/fn:Y3NtXzE0OF85MTZjZDAwNzJi:t/cb:3e5fc7c89caa70ea306303503c1153820bdbea5c/el:1/fq:jpeg:85:avif:70:webp:80/aHR0cHM6Ly9kM3JieGdlcW4xeWU5ai5jbG91ZGZyb250Lm5ldC9maWxlYWRtaW4vd3d3LmhlY2tlbC1zZWN1cml0ZS5mci90ZWNobm9sb2dpZXMvdGh1bWJuYWlsLzE0OC5wbmc_MTY1MTY0NTA1MA "Thermoshield XTREM") ### Thermoshield XTREM • High performance thermal insulation • Breathable textile surface • Anatomically shaped wraparound insole provides excellent stability • Shock absorber for walking comfort • Textile contact surface, efficiently wicks moisture • Antistatic ![Fire-resistant stitching](https://d3rbxgeqn1ye9j.cloudfront.net/images/pfCMqbE5wHS1a3e1_3zOomoTAXgV0jp7ARiwGkboNa4/w:50/h:50/fn:Y3NtXzE2MV80NzkyMWJjNjZh:t/cb:ca2c85555ca4d7d2026a90a4cd47fa7069147d0b/el:1/fq:jpeg:85:avif:70:webp:80/aHR0cHM6Ly9kM3JieGdlcW4xeWU5ai5jbG91ZGZyb250Lm5ldC9maWxlYWRtaW4vd3d3LmhlY2tlbC1zZWN1cml0ZS5mci90ZWNobm9sb2dpZXMvdGh1bWJuYWlsLzE2MS5wbmc_MTQ5MzcyNzY3Mw "Fire-resistant stitching") ### Fire-resistant stitching Fire-resistant stitching ![GORE-TEX](https://d3rbxgeqn1ye9j.cloudfront.net/images/D-vypTI4EckLx2medNcVUX8-rfJ2wLJwPABeg4AbWGM/w:50/h:50/fn:Y3NtX2ljb25fZ29yZS10ZXhfOTJlYjM2MDY2Yg:t/cb:d4d265bb4f835b77b63d77ef5c7635951e455cc3/el:1/fq:jpeg:85:avif:70:webp:80/aHR0cHM6Ly9kM3JieGdlcW4xeWU5ai5jbG91ZGZyb250Lm5ldC9maWxlYWRtaW4vd3d3LmhlY2tlbC1zZWN1cml0ZS5mci90ZWNobm9sb2dpZXMvdGh1bWJuYWlsL2ljb25fZ29yZS10ZXguanBnPzE0OTQ5MzU0MTg "GORE-TEX") ### GORE-TEX Safety footwear equipped with GORE-TEX membrane. GORE-TEX guarantees high breathability, long-lasting waterproofness and outstanding comfort ![MACSOLE®](https://d3rbxgeqn1ye9j.cloudfront.net/images/VCPCqfTHfe3cy6qzbq3zODAqAAqpz0vG_FKgENGEgQ8/w:50/h:50/fn:Y3NtX2xvZ28yLU5fYmVlZjAwYjUzYw:t/cb:d23105349d317810b71ae12a9fb6bb352635e651/el:1/fq:jpeg:85:avif:70:webp:80/aHR0cHM6Ly9kM3JieGdlcW4xeWU5ai5jbG91ZGZyb250Lm5ldC9maWxlYWRtaW4vdXNlcl91cGxvYWQvX3RlbXBfL2ltcG9ydGV4cG9ydC9sb2dvMi1OLmpwZz8xNDk3ODU5MzQz "MACSOLE®") ### MACSOLE® MACSOLE® soles, made from an exclusive mixture of nitrile rubbers offer unequalled performances in terms of adherence, safety and longevity in the most extreme conditions Safety shoes metal free ------------------------- ![100% metal free](https://d3rbxgeqn1ye9j.cloudfront.net/images/OdzsMAMVvlouzTFUksdPIgRC-hYj4MM93BNcM1m6UAY/w:50/h:50/fn:Y3NtXzE1OF9mMTU0ZDY2NGVm:t/cb:23f09195f0c9c34c83236a4a791cd152be32b124/el:1/fq:jpeg:85:avif:70:webp:80/aHR0cHM6Ly9kM3JieGdlcW4xeWU5ai5jbG91ZGZyb250Lm5ldC9maWxlYWRtaW4vd3d3LmhlY2tlbC1zZWN1cml0ZS5mci90ZWNobm9sb2dpZXMvdGh1bWJuYWlsLzE1OC5wbmc_MTQ5MzcyNzY3Mw "100% metal free") ### 100% metal free The entire safety shoe is free of any metal parts