ON CLOUDSTRATUS HELION White Almond Navy Blue CloudTec Walking / Running Shoes / Athleisure Sneakers. CloudTec® the first dual-layer structure in On history. The shoe that gives you the best cushioning to improve your run. • Excellent Condition, Minimal Wear. • Hand Washed. Perfectly Clean and Ready to Wear. • Speedboard. • Swiss Engineering. • Size 8.5 US / 40 EU / 6.5 UK