- Worn once! Like new! - “The fan favorite made waterproof. Re-engineered for a better fit with more comfort and more sustainable materials.” Key Features listed on On Cloud’s Website: - Weight: 227g - Waterproof membrane for wet-weather protection - Improved fit for added comfort CloudTec® in Zero-Gravity foam provides cushioned landings - Updated Speedboard® transforms energy into forward motion - Molded heel design holds your foot securely in place - More comfort. More recycled materials.