The OluKai Men's Nânâ Hele Chukka Boots are where sneaker-meets-slipper boot and combine shearling lining with waterproof leather. The soles are OluKai's 'Wet Grip Rubber' that provides extra traction on wet surfaces. These boots keep the weather out and the warmth in. They are perfect for the time where hot summer nights give way to the cool mornings of fall. The OluKai Men's Nânâ Hele Chukka Boots are the go-to boots for chilly, wet weather.