Base
Base Be-Extreme Winter S3 CI SRC Safety Boot B0870W
Base Be-Extreme Winter S3 CI SRC Safety Boot B0870W
SKU:B0870WB-40-BR
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Base Be-Extreme Winter S3 CI SRC Safety Work Boot
When you need a reliable work boot that handles cold conditions without compromising on safety, the Base Be-Extreme Winter S3 CI SRC Safety Work Boot delivers. This is engineered for professionals who work through winter months and require genuine protection combined with all-day comfort. The entirely metal-free design means you can move freely on site without any restrictions, whilst the non-metallic toe cap provides robust impact protection. Built to withstand harsh weather, these work boots feature water-repellent uppers and cold insulation tested to minus 17 degrees Celsius, keeping your feet protected during demanding shifts.
Key Features
- Entirely metal-free construction for unrestricted movement
- Water-repellent uppers for splash water protection
- Cold insulation rated to minus 17 degrees Celsius
- Penetration-resistant sole with anti-slip grip
- Antistatic properties for added safety
Recommendations from our Unishore Expert
These safety work boots strike an excellent balance between winter protection and everyday practicality. The metal-free build makes them ideal if you work in environments requiring metal detection or simply prefer unrestricted footwear. We've found the cold insulation particularly effective for outdoor winter work without the bulk of heavier alternatives. The water-repellent upper keeps feet dry during light rain and damp conditions, whilst the reinforced heel absorbs shock across long working days. The textured sole delivers reliable traction on slippery surfaces, making these boots a solid choice for varied winter terrain.
Product Features
- Footwear type - Work Boot
- Shoe width - Standard
- Safety classification - S3
- Closure system - Entry style
- Protective toe - Non-metallic nose cap
- Midsole - Metal-free with penetration resistance
- Sole material - TPU and PU
- Upper material - Leather
- Key properties - Water-repellent, antistatic, anti-slip, lightweight
- Article number - B0870W
Standards and Safety
- Protection meets EN ISO 20345 safety footwear requirements
- Energy absorbing heel rated at 20 joules per EN ISO 20345
- Antistatic resistance protects against electrical discharge per EN ISO 20345
- Splash water penetration resistance tested for 60 minutes per EN ISO 20345
- Cold insulation tested at minus 17 degrees Celsius for 30 minutes per EN ISO 20345
Characteristics
Characteristics
- Anti-static shoes
- Water-resistant upper prevents water ingress
- 100% Metal Free
- 200 Joules scuff guard
- Punch-resistant sole
- Slip-resistant SRC
- Shock absorption in the heel
- Cold insulation down to -17°C
- Resistant to hydrocarbons
- Width men
- Orthopedically made footbed in accordance with European standard DGUV112-191.
Material & washing instructions
Material & washing instructions
Size chart
Size chart
Base general size chart
View here which size you need for your Base work shoes.
How do you determine your shoe size for Base shoes?
- Stand with both feet on a white sheet of paper and distribute your weight over both feet
- Ask someone to draw a line in front and behind both feet
- Measure both lengths with a ruler and choose the largest length to determine your size:
- View the table below and choose the shoe size that best suits your foot length (round your foot length up if necessary, but never down)
*All lengths in centimeters
**Information based on size chart from the Base Catalogue
| EU Size |
UK Size |
F Foot length |
|---|---|---|
| 35 | 3 | 22.25 cm |
| 36 | 4 | 22.29 cm |
| 37 | 4.5 | 23.55 cm |
| 38 | 5 | 24.20 cm |
| 39 | 6 | 24.85 cm |
| 40 | 6.5 | 25.55 cm |
| 41 | 7 | 26.15 cm |
| 42 | 8 | 26.80 cm |
| 43 | 9 | 27.45 cm |
| 44 | 10 | 28.10 cm |
| 45 | 11 | 28.75 cm |
| 46 | 11.5 | 29.40 cm |
| 47 | 12 | 30.05 cm |
| 48 | 13 | 30.70 cm |
| 49 | 13.5 | 31.35 cm |

Step 1 : Stand upright on a hard surface with your heel against the wall and a blank sheet of paper taped to the floor

Step 2 : Have someone mark the longest part of the foot (Heel to toe) with a pen or pencil, repeat this for the same foot because sizes may differ per foot.

Step 3 : Use a ruler to measure the heel-to-toe length with the longest toe perpendicular to the wall
About Unishore Workwear
About Unishore Workwear
Unishore Workwear has been a specialist in workwear and personal protective equipment since 1985. We offer:
- Fast delivery
- Competitive prices
- Embroidery and printing in-house
