




Our models typically wear US Size 2-4 or Australian Size 6-8, X-Small, Small, or One-Size garments.
On each product page, we provide the model's measurements and what size she is wearing to help guide you.
You can refer to the charts when selecting sizes but please note that sizes cannot be guaranteed and might vary slightly between brands.
If you need any advice about sizing, please feel free to drop us a line at: service@sunnoss.com
The measurements in the description of individual products are taken only across the front side of the garment, not around the circumference (e.g. chest and waist).
If you can't find a completely satisfactory size in our size chart, don't worry! Feel free to contact us anytime at service@irispetal.com or through our online customer service. Our team is more than happy to provide personalized advice, recommend alternative styles, or assist with customization needs. Your comfort is our top priority!
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We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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Elevate your trail runs with this premium waterproof option from On Running—a thoughtfully engineered blend of cushioning, grip, and all‑weather protection.
CloudTec Phase® midsole with Helion™ superfoam delivers a smooth heel‑to‑toe transition and effective shock absorption, making your footwork feel effortless.
Missiongrip™ rubber outsole featuring re‑designed, larger boomerang‑shaped lugs for enhanced traction and stability on mixed and trail terrain.
Waterproof, abrasion‑resistant upper—designed to keep moisture out while still allowing breathability, granting confidence in damp or unpredictable conditions.
Improved fit and comfort details – includes padded heel lining, lockdown lacing, and a shape refined for greater fit inclusivity and comfort on longer runs.
Technical specifications: Roughly 8 mm heel‑to‑toe drop. Weight approx. 248 g (~8.7 oz for women’s waterproof version).
Whether you’re hitting rugged singletrack, gravel trails, or transitioning from road to trail, this shoe gives you the confidence to move fast and stay comfortable. The cushioning is plush enough to soak up impact while still maintaining a responsive feel. The grip is strong for slick roots, wet rock, and loamy conditions—and the waterproof construction means you’re not restricted by weather.
Visually, the Cinder/Desert colourway offers a muted‑earth tone palette that pairs well with both trail gear and casual wear, making it versatile beyond running.
Female runners who enjoy trail running in changeable or damp conditions, but still want a smooth ride.
Mixed‑surface enthusiasts who don’t want a shoe solely for technical singletrack.
Those who value comfort, fit and all‑weather readiness, rather than minimalist or ultra‑light trail shoes.
As always with On Running, many runners take their true US size; however, if you have a narrow foot or run long distances, you might consider trying a half size up for extra toe box room.
If you have extremely wide forefeet, you might find the fit a bit snug; trying them on in‑store could help.
Because of the waterproof membrane and added trail ruggedness, the shoe carries a bit more mass than a road trainer—expect a slightly more grounded feel.
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