The Sleeker Mid Knickers are ideal for riding in cool to cold conditions. They have maximum stretch for comfort and are great for when you don’t want a thicker, fleece lined winter tight.The knickers use an engineered-knit fabric exclusive to Castelli. The fabric is 46% polyester for moisture management, 32% nylon for durability, and 22% elastane for stretch. Constructed from 4 panels, the knickers have sleek lines and a minimal look. The double-layer lie-flat waist is comfortable in the riding position whilst helping hold the knickers in place.The Sleeker Mid Knickers use the Castelli KISS Air2 Donna seat pad. This seat pad has an anatomical shape creating the perfect interface to your body during every pedal stroke. Dual-density variable thickness gives just the right amount of padding right where you need it, and the seamless exterior is made from the softest-ever fabric to eliminate chaffing and provide long-lasting comfort.Key FeaturesCastelli-exclusive engineered-knit fabric that balances moisture management, durability and stretch,4-panel construction for sleek lines,KISS Air2 Donna seat pad,Double-layer lie-flat waistband,12° – 18°C / 54° – 64°F,Weight: 204g (S).