Does the composite toe set off metal detectors?

No. Composite safety toes are non-metallic, so they are the usual choice for workers who pass through security screening.

Is it a shoe or a boot?

It is a low-cut work shoe, not an ankle boot. If you need ankle support, look at Timberland's taller PRO boots.

Is it good for kitchen work?

Yes, for many kitchen roles. The washable upper and light feel suit food service, but check your employer's slip-resistance and safety-class requirements first.

How does it compare with a steel-toe boot?

It is lighter and won't trigger metal detectors, but it offers less impact protection and no ankle support.

What sizes does it come in?

It is unisex and sold in US sizes from about 5.5 to 11.5, including half sizes.

Is the safety class certified?

The listing marks it unclassified. Confirm the rating on the label or with Timberland before relying on it for a site that requires a specific standard.