Foot Protection Standards - New
| Standard | Description | Protection Groups | 
|---|---|---|
| EN ISO 20345:2022 | Safety shoes with toe cap 200J | SB, S1, S2, S3, S3L, S3S, S4, S5, S5L, S5S, S6, S7, S7L, S7S | 
| EN ISO 20347:2022 | Occupational shoes with out toe cap | OB, O1, O2, O3, O3L, O3S, O4, O5, O5L, O5S, O6, O7, O7L, O7S | 
Shoes according EN ISO 20346:2022 are not offered by Stuco
| Protective functions Groups 1/2 | SB/ OB | S1/ O1 | S2/ O2 | S3/ O3 | S3L/ O3L | S3S/ O3S | 
|---|---|---|---|---|---|---|
| Puncture-resistant sole metal (metallic 4.5mm test nail, force for puncture >1100 N) | × | |||||
| Penetration-resistant sole non-metallic (4.5mm test nail, no puncture at 1100 N) | x | |||||
| Penetration-resistant sole non-metallic (3 mm test nail, no puncture at 1100 N) | x | |||||
| Slip resistance (ceramic tiles with NaLS) | x | x | x | x | x | x | 
| Closed heel area | × | × | × | × | × | |
| Antistatic (A) | × | × | × | × | × | |
| Energy absorption in the heel area (E) | × | × | × | × | × | |
| Profiled outsole | × | x | × | |||
| Against water penetration and water absorption of the shoe upper (WPA) | × | × | × | × | 
| Protective functions Groups 2/2 | S4 O4 | S5 O5 | S5L O5L | S5S O5S | S6 O6 | S7 O7 | S7L O7L | S7S O7S | 
|---|---|---|---|---|---|---|---|---|
| Puncture-resistant sole metal (metallic 4.5mm test nail, force for puncture >1100 N) | x | x | ||||||
| Penetration-resistant sole non-metallic (4.5mm test nail, no puncture at 1100 N) | x | x | ||||||
| Penetration-resistant sole non-metallic (3 mm test nail, no puncture at 1100 N) | x | x | ||||||
| Slip resistance (ceramic tiles with NaLS) | x | x | x | x | x | x | x | x | 
| Closed heel area | x | × | × | × | × | × | x | x | 
| Antistatic (A) | x | × | × | × | × | × | x | x | 
| Energy absorption in the heel area (E) | x | × | × | × | × | × | x | x | 
| Profiled outsole | x | x | × | × | x | x | ||
| Against water penetration and water absorption of the shoe upper (WPA) | x | × | × | × | × | x | x | |
| Waterproof footwear (WR) | x | x | x | x | 
| Single protection | Discription | 
|---|---|
| A | Antistatic shoes | 
| AN | Ankle protection | 
| C | Conductive shoes | 
| CI | Cold insulation of the outsole complex | 
| CR | Cut resistance of the shoe upper | 
| E | Energy absorption in the heel area | 
| FO | Fuel-resistant sole | 
| HI | Heat insulation of the outsole complex | 
| HRO | Thermal behavior of the sole, resistant up to 300°c | 
| I | Electrically insulating shoes | 
| LG | Ladder grip | 
| M | Metatarsal protection (100 Joul impact energy) | 
| P | Metallic penetration protection, 4.5 mm test nail | 
| PL | Penetration protection non-metallic, 4.5 mm test nail | 
| PS | Penetration protection non-metallc, 3.0 mm test nail | 
| SC | Overcap abrasion (no hole after 8000 cycles) | 
| SR | Special slip resistance on ceramic tiles with glycerine | 
| Ø | No slip resistance (shoes for special purposes with spikes, metal studs, etc.) | 
| WPA | Water penetration and water absorption of the upper part of the shoe | 
| WR | Waterproof (shoe in assembled condition) |