Technology Built different A new increased midsole and updated CloudTec® configuration make landings even softer and more stable. The breathable waterproof membrane locks liquid out and, with the speed-lacing system, you can forget about tying knots. Materials Sustainably waterproof The fully waterproof membrane keeps the elements out and lets feet breathe. Even better? This climate control is made with the climate in mind. The upper is made from 100% recycled materials. Design Show up in any weather Stay visible under grey skies and after dark with the Cloud 5 Waterproof's reflective elements carefully positioned for high visibility in low light.