GYM-READY COMFORT THAT LASTS. Take on everyday challenges in the Nike Defy All Day. Leather up top and rubber traction on the bottom creates a durable design that lasts the rigors of tough training sessions. Soft cushioning carries comfort through your workout—or a day of getting things done. Durable Design Tough leather on the upper stands up to the demands of your workout. Built-in breathability helps your foot stay cool. Comfort All Day Foam cushioning, a soft insole, and padding around the ankle put comfort where it counts—whether you're in or out of your training zone. Traction With Flex Rubber tread gives you durable traction on a range of surfaces. Grooves underfoot let the sole flex as you step.