Rock Fall RF001 Alaska S3 Composite Cold Work Boot CI SRC


“The highest specification cold store work boot in Europe”

  • S3 Composite Toecap and Midsole
  • Premium Specification Freezer Safety Boot
  • Thinsulate B600 Thermal Lining CI Certified to -40c
  • Unique Fursulate lining for Enhanced thermal properties
  • Breathable Mid-Lining,  rubber bump cap
  • Rubber temperature resistant outsole (-40°c to +300°c)
  • Super Lightweight and Flexible, complete with v-collar making the Alaska ideal for driving!

Standard & Protection Class: EN ISO 20345:2011 S3 SRC CI (-40c) – HRO – Non-Metallic



Buy with confidence at the best prices – See our returns policy here!

Colour: Black
Size Range: UK 3 – UK 14
Standard & Protection Class: EN ISO 20345:2011 S3 SRC CI (-40c) – HRO – Non-Metallic
Upper Materials: Supple Anti-Cracking Full Grain Leather
Lining Materials: 1: 3M Thinsulate B600 Thermal Lining 2: Breathable Mid-Lining 3: Fursulate Superior Thermal Insulation Lining
Internal Toecap: Composite
Internal Midsole: Anti-Penetration Composite
Flexible V-Collar – Ideal for drivers – No need to keep changing boots!
Outsole: Lightweight Flexi Rubber Outsole – Temperature Resistant from –40°c (Minus) to +300°c – SRC Highest EN ISO 20345 Slip Resistant Rating
Fit: Standard Fitting Vamp with Generous Fit around toe area.

The original warmth-without-bulk insulation, 3M™ Thinsulate™ Insulation is the brand trusted for warmth.
3M™ Thinsulate™ Insulation enhances your ability to enjoy the outdoors, providing:

  • Breathable, lightweight warmth and durability
  • Up to nearly twice the warmth of other synthetics and one-and-a-half times the warmth of 550 fill down when equal thicknesses are measured
  • Highly breathable, “keep dry comfort” under damp, sweaty or rainy conditions
  • The freedom of movement to enjoy your time outdoors with less restriction
  • Dependable thermal performance through repeated washings

Why is 3M™ Thinsulate™ Insulation so efficient? It’s the fibers. The unique fiber constructions of 3M™ Thinsulate™.  Insulation are up to 10x smaller than the fibers of other synthetic insulations,* which helps make them more effective at trapping insulating air. The more fibers it has per square inch, the better an insulation can perform in containing the body’s radiant heat.

Exceptional performance even in wet conditions: The fibers in most 3M™ Thinsulate™ Insulation products absorb less than 1% by weight of water, and are designed to keep you warm even in damp conditions. No other synthetic insulation performs better to help prevent rain penetration/water absorption under real-world

Additional information

Weight 100 kg

Rock Fall


CI Cold Working, Driving, NM Composite Non-Metalic, Protective Toecap, Slip Resistant




Civil Engineering, Cold Store, Construction, Engineering, Manufacturing, Offshore Oil & Gas, Quarry & Mining, Rail, Transport & Logistics, Warehousing

Protection Class



3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14



Slip Resistance

SRC – Both SRA and SRB


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