TimberlandŽ's ProŽ Wellington Steel Toe work boot for men features the Timberland PROŽ rubber outsole which is slip-resistant, oil-resistant, and abrasion-resistant. The Timberland PROŽ 24/7 Comfort Suspension™ technology which is a unique comfort system that meets the most rigorous worksite demands, helps reduce foot fatigue, and supports your arch and cushions every step.