| UK | EU | US | Foot length |
|---|---|---|---|
| UK 5.5 | 38.5 | US 7.5 | 23.7 cm |
| UK 6 | 39 | US 8 | 24.1 cm |
| UK 6 | 40 | US 8.5 | 24.5 cm |
| UK 6.5 | 40.5 | US 9 | 25.0 cm |
| UK 7 | 41 | US 9.5 | 25.4 cm |
| UK 7.5 | 42 | US 10 | 25.8 cm |
| UK 8 | 42.5 | US 10.5 | 26.2 cm |
| UK 8.5 | 43 | US 11 | 26.7 cm |
| UK 9 | 44 | US 11.5 | 27.1 cm |
| UK 9.5 | 44.5 | US 12 | 27.5 cm |
| UK 10 | 45 | US 12.5 | 27.9 cm |
| UK 10.5 | 45.5 | US 13 | 28.3 cm |
| UK 11 | 46 | US 13.5 | 28.8 cm |
| UK 11.5 | 47 | US 14 | 29.2 cm |
| UK 12 | 47.5 | US 14.5 | 29.6 cm |
| UK 12.5 | 48 | US 15 | 30.0 cm |
| UK 13 | 48.5 | US 15.5 | 30.5 cm |
Conversion shown for On (women’s). All sizes on this page are UK — pick your UK size above. Full size guide ›
The ON CloudTilt 1 WMNS presents a sophisticated approach to performance footwear, engineered for those seeking purposeful design without compromise. The Eclipse Black colourway delivers understated elegance—a deep, neutral tone that pairs seamlessly with contemporary wardrobes whilst maintaining the shoe's technical credentials.
Built on ON's proven cushioning platform, this silhouette balances responsive comfort with refined aesthetics. The clean lines and deliberate construction make it equally at home on morning runs or paired with everyday wear, marking it as a versatile addition to any collection.
Every pair is brand new and unworn, supplied in its original box. Nothing we sell is used, worn or ex-display — just deadstock, ready to wear.
Every pair is verified 100% authentic in-house before it ships — checked against known-authentic references for materials, stitching, labelling and box details.
Fast UK tracked delivery, with next-day options at checkout. Orders are dispatched securely and double-boxed to protect the shoe box in transit.
Not the perfect fit? Enjoy hassle-free 30-day returns & exchanges. Full details on our Shipping Policy.
