Details
Introducing the Mello, a first-of-its-kind luxury sneaker that restores the planet—and biodegrades back into it. Handcrafted in Italy with Zeolite-tanned regenerative leather (meaning it's free from heavy metals), this Summit colorway is set on a lightweight and durable LACTAE HEVEA® sole that's handmade from responsibly sourced hevea-tree milk. The recycled corn, wool, and kenaf insole delivers cushioned comfort all day long.
The outsoles may differ in shades of 'cream' due to the different levels of carotene in hevea milk tree which is the natural property of a biodegradable sole.
- Handmade in Tuscany, Italy
- Constructed from Zeolite-tanned full-grain regenerative calf leather
- Partially lined with LWG-certified Italian calf leather
- Set on a 100% natural LACTAE HEVEA® sole
- Tightly stitched for water resistance
- Threaded with organic cotton laces
- Fitted with a removable biodegradable insole (Corn, wool, kenaf)
Size & Fit
- Fits true to size. Take your normal US size.
- Only available in full sizes. Go up to the nearest whole size if you wear a half size.
- Width D - Standard
- Unlined construction, has a soft feel and relaxed fit.
- Width can be adjusted by tightening/loosening the laces.
- Not sure of your size? Reach out to our team for a recommendation.
Sustainability
Regenerative leather: Our regenerative leather is sourced from regenerative farms in the Swiss Alps. These farms are reviving Alpine ecosystems by reversing carbon emissions, restoring soils, and increasing biodiversity. Learn more here.
Zeolite tanning: Zeolite tanning is an innovative and more environmentally friendly alternative to chrome tanning. It involves tanning the hides with minerals rather than chrome, aldehyde, and heavy metals.
LACTAE HEVEA® sole: LACTAE HEVEA® soles are made in France using responsibly sourced milk from hevea trees. The entire process—from sourcing the milk to pouring it into molds—is completed by hand.
Organic cotton: This sneaker's laces are certified organic, meaning the fibers are organically grown and manufactured without harmful chemical inputs.
Biodegradable materials: This sneaker's upper, laces, insole, and sole are biodegradable.
Size Guide
Whether you already know your size or need help figuring it out, this guide will help you confidently choose the right fit for our Capri Regenerative sneaker. With just a few quick measurements, you'll be able to determine the Koio size that works best for your feet and your comfort preferences.
Instructions to Measure Your Foot
Follow these simple steps to get an accurate measurement:
- Place a sheet of paper against a wall or straight edge.
- Stand with one foot on the paper, heel touching the wall.
- Using a ruler, measure from the wall to the tip of your longest toe.
- Record the measurement in centimeters or inches.
- Repeat the process with your other foot.
- Compare your measurement to our size chart below.
- The centimeter (CM) and inch (IN) measurements in the size guide represent the maximum foot length that comfortably fits each size. For the best fit, we recommend selecting a size where your foot length is slightly less than or equal to the listed measurement — depending on your personal comfort preference and how much room you like in your shoes.
- For example: If your foot at the longest toe measures 29.5 cm, that falls between 29.0 cm (US 11) and 29.8 cm (US 12)—in this case, your size is a US 12.
| Shoe size |
|
Maximum foot length | |||
US |
UK |
EU |
|
CM | IN |
| 7 | 6 | 40 |
|
25.6 | 10.1 |
| 8 | 7 | 41 |
|
26.4 | 10.4 |
| 9 | 8 | 42 |
|
27.3 | 10.7 |
| 10 | 9 | 43 |
|
28.1 | 11.1 |
| 11 | 10 | 44 |
|
29 | 11.4 |
| 12 | 11 | 45 |
|
29.8 | 11.7 |
| 13 | 12 | 46 |
|
30.7 | 12.1 |
| 14 | 13 | 47 |
|
31.5 | 12.4 |
| 15 | 14 | 48 |
|
32.4 | 12.8 |
| 16 | 15 | 49 |
|
33.2 | 13.1 |
Added the Mello in Summit Regenerative Size 9 to your bag.
Bundle and Save on Accessories
KOIO Leather Care Bundle
$66.50$95
Give your leather Koios the care they deserve with this essential maintenance set — designed to clean, protect, and preserve.
Koio Shoe Tree
$30
Crafted from cedar wood and helps maintain the shape of your Koios.
Koio Dust Bag
$12
Protect your Koios from dust, dirt, and scratches during storage and travel.
Koio Eco Protect
$25
Creates a water-resistant barrier and prevents stains.
Subtotal
$133.50 $133.50 (Saving %)
