S4 indicates a waterproof polymer boot with a protective toe cap. Unlike S5, it does not include an anti-perforation midsole, but it provides full waterproof protection and toe safety.

What is the difference between the Sentinel Blue and the Sentinel Green?

The only difference is the colour. Both boots share the same S4 rating, steel toe, insulation, and slip-resistant outsole. The colour choice supports workplace colour-coding requirements.

Can I wear the Sentinel in freezer environments?

Yes, the insulated lining is designed to keep your feet warm in cold storage and freezer environments.

What does clog-resistant mean?

The clog-resistant outsole has a tread pattern designed to prevent food waste, fat, and debris from building up in the grooves of the sole, maintaining consistent grip throughout your shift.

Shoes For Crews

Unisex Safety Boot Sentinel Blue (S4)

Name: Unisex Safety Boot Sentinel Blue (S4)
Brand: Shoes For Crews
SKU: 2012-37/4
Price: 78.0 EUR
Availability: InStock

€78,00

Size

Size chart

Size chart – Unisex shoes

Measure your foot from heel to longest toe and compare the length in cm with the table below.

EU size	UK size	Length (cm)
35	2.5	22.0
36	3	23.0
37	4	24.0
38	5	25.0
39	6	25.5
40	6.5	26.0
41	7	27.0
42	8	28.0
43	9	29.0
44	9.5	30.0
45	10	30.5
46	11	31.5
47	12	32.5
48	13	33.5

Shoes fitting and sizing guide

Our chef shoes fitting and sizing guide helps you choose the right Shoes For Crews and catering footwear. Sizes follow EU standards. If you are between two sizes, order half a size up. We show only available sizes on the product page. If the shoes do not fit, you can return unworn pairs within 14 days.

Try shoes in the late afternoon or evening, when feet are at their largest.
Always test shoes with the socks you usually wear for work.
If you use insoles or orthotics, account for the extra volume. Replace removable insoles with your own if needed.
Pick a model that matches the shape of your foot.
The widest part of your foot should match the widest part of the shoe. The shoe should be as wide as your foot and about 1.3 cm longer than your longest toe when standing.
Move your toes to check that there is enough toe room.
Avoid shoes that are too narrow. This prevents heel slip and gives a secure fit across the top of your foot.
Boots give more support and last longer, but they are heavier and less flexible at the top.
Wear the shoes indoors on a clean surface for a few minutes to test comfort before use at work.
Feet grow as you age, so check your size again if it has been a while.
Do not expect narrow shoes to stretch. They will not.
Thick soles absorb impact on hard floors.
Laced or hook-and-loop fastenings give a more secure fit than slip-ons.
Low-heel shoes are safer and more comfortable for long shifts than high heels.

At ChefsCotton, we know how important the right fit is, for clothing and shoes alike. Any questions about sizing? Reach out to our Customer Service team. We're happy to help you find the perfect fit!

Variant

✓ Insulated boot provides protection at temperatures as low as -20°

✓ Polyurethane (PU) upper

✓ Steel toe - 200 joules

About the unisex safety boot Sentinel Blue (S4)

The unisex safety boot Sentinel Blue (S4) by Shoes For Crews is a 38 cm tall insulated work boot built for cold, wet environments. Rated to S4 safety standards, it features a steel toe cap, clog-resistant outsoles, and SFC slip-resistant technology. The insulated construction keeps your feet warm during long shifts in cold storage, freezer rooms, or outdoor food preparation areas. Available in a striking blue colour, the Sentinel is a practical and visible choice for demanding workplaces.

Technical details

Category	Specification
Safety rating	S4
Height	38 cm
Toe protection	Steel toe cap
Insulation	Insulated lining for cold environments
Upper	Waterproof polymer
Outsole	SFC slip-resistant, clog-resistant
Colour	Blue
Sizes	EU 37 - 47
Brand	Shoes For Crews

Care instructions

Rinse the boots with clean water after each shift to remove food residue
Allow to air dry at room temperature away from direct heat
Check the outsole regularly for wear and embedded debris
Store upright in a dry location to maintain the boot shape

Who is the unisex safety boot Sentinel Blue (S4) for

The Sentinel Blue is designed for food processing workers, cold storage staff, fishmongers, and professionals who work in wet, cold, or hygienic environments requiring S4-rated protection. The 38 cm height keeps splashes and liquids out, while the insulated lining protects against low temperatures. The clog-resistant outsole prevents build-up of food waste underfoot, and the slip-resistant tread provides grip on wet and greasy floors. The blue colour supports colour-coding protocols common in food production facilities.

Frequently asked questions about the unisex safety boot Sentinel Blue (S4)

What does S4 mean?: S4 indicates a waterproof polymer boot with a protective toe cap. Unlike S5, it does not include an anti-perforation midsole, but it provides full waterproof protection and toe safety.
What is the difference between the Sentinel Blue and the Sentinel Green?: The only difference is the colour. Both boots share the same S4 rating, steel toe, insulation, and slip-resistant outsole. The colour choice supports workplace colour-coding requirements.
Can I wear the Sentinel in freezer environments?: Yes, the insulated lining is designed to keep your feet warm in cold storage and freezer environments.
What does clog-resistant mean?: The clog-resistant outsole has a tread pattern designed to prevent food waste, fat, and debris from building up in the grooves of the sole, maintaining consistent grip throughout your shift.