DeFeet Slipstream Shoe Covers

No, the Slipstream covers are not waterproof. They are designed to block wind and provide a light layer of warmth, but they will soak through in heavy rain or wet conditions.

The covers feature a knit-in guide on the sole that indicates where to cut. You simply use a sharp pair of scissors to carefully snip the fabric along that line to accommodate your specific road cleat position.

These are specifically designed for road cycling shoes. The fit is aerodynamic and sleek, and the sole opening is optimized for road cleats, so they will not fit properly over the bulkier soles or tread of mountain bike shoes.

They are ideal for cool to cold transitional weather, typically in the range of 40°F to 60°F (4°C to 15°C). Because they are breathable, they prevent overheating during high-intensity efforts while still cutting the windchill.

The knit construction is quite stretchy and designed to fit snugly over your cycling shoes. You should generally order the same size that corresponds to your shoe size, as the material will conform to the shape of your footwear without needing extra room.