Why Wear Slip Resistant Shoes? | The Safety Case

The reason to wear slip-resistant shoes is straightforward: they measurably reduce the risk of slipping on wet, oily, or greasy floors. A 14-week trial funded by the UK’s National Institute for Health and Care Research found that 5-star GRIP-rated footwear cut slips by 37% and falls resulting from a slip by 49% among healthcare workers, compared with regular shoes. That kind of evidence is why kitchens, hospitals, and warehouses treat slip-resistant footwear as standard equipment rather than an optional upgrade.

How Slip-Resistant Shoes Actually Work

Slip-resistant shoes improve grip through their outsole design, not through magic or special materials alone. The CDC/NIOSH archive explains that these shoes differ from ordinary footwear because they use rubber soles and tread patterns that grip wet or greasy floors better than the smooth outsoles found on many dress shoes and sneakers.

The key elements that make the difference:

• Rubber outsole compound that stays pliable and grips the floor.
• Engineered tread patterns with grooves that channel water, oil, and grease away from the contact patch.
• Outsole surface area designed so more of the sole stays in contact with the floor, which increases friction.

This combination lets the shoe push liquid aside and maintain traction where a standard sole would hydroplane over a thin film of water or oil.

Who Benefits Most From Slip-Resistant Footwear

Anyone who regularly walks on wet, greasy, or slick surfaces benefits from slip-resistant shoes, but the strongest evidence comes from occupational settings. The NIHR trial studied NHS staff working in hospitals, where floors are constantly exposed to water, soap, and spills, and found a clear reduction in slip-related injuries.

The people who gain the most are:

• Food service and kitchen workers facing grease and spills.
• Healthcare staff moving through patient rooms and cleaning stations.
• Warehouse and construction workers on surfaces that collect moisture.
• Anyone walking on wet sidewalks, icy roads, or snow-covered paths, where the same traction principles apply.

For women in food service or healthcare who are ready to switch, our tested roundup of women’s slip-resistant sneakers worth buying covers models that hold up on slick floors.

What Slip-Resistant Shoes Do Not Do

Slip-resistant shoes reduce risk; they do not eliminate it. The NIHR research is explicit on this point: slip-resistant footwear should be considered where it is not practicable to prevent floor surfaces from becoming slippery, and the evidence supports risk reduction, not fall prevention.

Three common mistakes undermine the benefit:

• Assuming all slip-resistant shoes perform equally. The CDC/NIOSH archive notes that some are better than others, so check tread depth and any available test rating.
• Skipping floor cleanup. Shoes work alongside housekeeping, mats, and drainage; they are not a substitute for hazard control.
• Confusing slip resistance with other features. Water resistance, oil resistance, and steel toes are useful, but they are not the same as outsole slip resistance.

The Evidence Behind the Claims

Note for US readers: the GRIP-rating scheme used in the trial is a UK standard. The published trial in the NIHR journals library is strong evidence for the general safety concept, even though American shoes will not carry that specific rating.

The tread wears down with use, and performance degrades as the outsole loses its pattern. When the grooves flatten, the shoe stops channeling liquid away and grip drops. Replacing worn-out slip-resistant shoes matters as much as buying them in the first place.