15+ international certifications
Every pair of DIAN footwear is backed by independent certifications issued by bodies such as INESCOP, OEKO-TEX and ISO. This is not marketing — these are externally audited verifications.

ISO 20347:2022
ISOProfessional Footwear
Safety, comfort and performance for professional footwear not intended for protection against mechanical risks, covering aspects such as slip resistance, energy absorption and antistatic properties.

ISO 20347:2022+A1:2024
ISOProfessional Footwear (Latest)
Safety, comfort and performance for professional footwear not intended for protection against mechanical risks, covering aspects such as slip resistance, energy absorption and antistatic properties.

ISO 20345:2022
ISOSafety Footwear
Fundamental requirements for safety footwear designed to protect against mechanical risks in work environments, covering aspects such as safety toe cap, slip resistance, heel energy absorption and antistatic properties.

OEC
Certified Spanish Origin
Spanish design and manufacturing certification, externally audited. Guarantee that the product is genuinely Made in Spain.

ISO 14001:2015
Environmental Management
Independently certified environmental management system. Commitment to reducing the environmental impact across all manufacturing phases.

ISO 9001:2015
ISOQuality Management
Certified quality management system. Ensures standardised processes and quality control across the entire production chain.

ISO 45001:2018
ISOOccupational Safety
Occupational health and safety management. Commitment to employee welfare and plant safety.

OEKO-TEX® Standard 100
OEKO-TEXSafe Materials
Technical microfibre fabric with a transparent polyurethane coating and water-repellent finish. The certification guarantees that no harmful substances are used during any stage of production, ensuring safety and respect for health.

MyREACH
INESCOPChemical Safety
Certifies that a restricted substances control for footwear has been conducted in accordance with Annex XVII of the REACH Regulation, and that the products contain no substances harmful to health or the environment. Seal owned and certified by INESCOP.

ANTIbacterial
INESCOPBacterial Protection
Certifies the effectiveness of the antibacterial additive in our footwear according to ISO 16187. The models and/or footwear components have an antibacterial treatment that inhibits the growth of the most common bacteria in hospital and food environments. Seal owned and certified by INESCOP.

FUNCTIONAL
INESCOPBiomechanical Comfort
Thermal comfort with optimal heat thermoregulation and perspiration management, correct distribution of plantar pressures to prevent injuries and reduced muscle fatigue during use. Seal owned and certified by INESCOP.

EcoVadis
EcoVadisSustainability
EcoVadis Platinum 2025 rating — the highest recognition in corporate sustainability assessment. Endorsement of DIAN's commitment to responsible practices in environment, labour rights, ethics and sustainable procurement.

Huella de Carbono 2024
CCRCarbon Footprint Assessment
Calculation and verification of DIAN's corporate carbon footprint, aligned with our decarbonisation commitments and transparent reporting of greenhouse-gas emissions.

SGE 21
ForéticaEthical & Socially Responsible Management
Ethical and Socially Responsible Management System certified under the Forética SGE 21 standard. Guarantees ethical business practices, transparency and social responsibility across the organisation.
Classification applied to our footwear
ISO 20347:2022
Specifies the safety, comfort and performance requirements for occupational footwear not intended to protect against mechanical risks, covering essential aspects such as slip resistance on tiles with soap and NaLS, flexibility, breathability, energy absorption and antistatic properties.
| Code | Description |
|---|---|
| OB | Footwear meeting the basic requirements for professional use, including slip resistance (SR). |
| O1 | OB plus closed heel area plus antistatic properties (A) and heel energy absorption (E). |
| O2 | O1 plus water absorption and penetration resistance in the upper (WPA). |
| O6 | O2 plus whole-footwear water resistance. |
| SR | Slip resistance on ceramic tile with glycerine. |
| A | Antistatic properties. |
| E | Heel energy absorption. |
| HI | Thermal insulation against heat from the ground. |
| CI | Thermal insulation against cold from the ground. |
| FO | Outsole resistance to hydrocarbons. |
| WPA | Water penetration and absorption resistance in the upper. |
| WR | Whole-footwear water resistance. |
ISO 20345:2022
Standard specifying the requirements for safety footwear with a protective toe cap against impacts (200 J) and compression (15 kN), including slip resistance, ergonomics, perforation protection and thermal insulation.
| Code | Description |
|---|---|
| SB | Basic requirements plus safety toe cap (200 J / 15 kN) plus slip resistance (SR). |
| S1 | SB plus closed heel area plus antistatic properties (A) plus heel energy absorption (E). |
| S2 | S1 plus water penetration and absorption resistance in the upper (WPA). |
| S3S | S2 plus perforation resistance (PS, non-metallic insert). |
| SC | Abrasion resistance of the toe-cap reinforcement. |
| SR | Slip resistance on ceramic tile with glycerine. |
| A | Antistatic properties. |
| E | Heel energy absorption. |
| HI | Thermal insulation against heat from the ground. |
| CI | Thermal insulation against cold from the ground. |
| FO | Outsole resistance to hydrocarbons. |
| WPA | Water penetration and absorption resistance in the upper. |
| WR | Whole-footwear water resistance. |
Downloadable certificates available in the Distributor Portal
Registered distributors can download the official certificates for each model.