ECCO WOMEN'S BIOM 2.1 X MOUNTAIN SHOE
Size Guide
CONVERT SIZE TO
SIZE CHART
US | EU | Foot Length (CM) | Foot Length (Inches) |
---|---|---|---|
4/4.5 | 35 | 21.8 | 8.5 |
5/5.5 | 36 | 23 | 9 |
6/6.5 | 37 | 23.7 | 9.3 |
7/7.5 | 38 | 24.3 | 9.5 |
8/8.5 | 39 | 25 | 9.8 |
9/9.5 | 40 | 25.7 | 10.11 |
10/10.5 | 41 | 26.3 | 10.35 |
11/11.5 | 42 | 27 | 10.62 |
12/12.5 | 43 | 27.7 | 10.90 |
How do I find my shoe size?
At ECCO we are committed to making your online shopping experience as easy as possible. The best way to make sure that you order the right size is to measure your feet and then compare it with the size chart above to find the appropriate size.
Please follow these 4 simple steps to accurately measure your feet:
![]() |
All your need to measure your feet from heel to toe is a piece of paper, a pencil and a ruler. |
![]() |
Place the paper on the floor up against a wall. Place the heel against the wall. |
![]() |
Mark the longest part of your foot on the paper. Repeat procedure with the other foot. |
![]() |
Measure the length of each mark and match it with the size chart. Let the longest foot decide the shoe size. |
Still, concerned about the size?
Don’t worry, you can return your item within 30 days for a full refund.
If you have any questions about fitting we think you should visit our customer service page.
Select size
Size Guide
CONVERT SIZE TO
SIZE CHART
US | EU | Foot Length (CM) | Foot Length (Inches) |
---|---|---|---|
4/4.5 | 35 | 21.8 | 8.5 |
5/5.5 | 36 | 23 | 9 |
6/6.5 | 37 | 23.7 | 9.3 |
7/7.5 | 38 | 24.3 | 9.5 |
8/8.5 | 39 | 25 | 9.8 |
9/9.5 | 40 | 25.7 | 10.11 |
10/10.5 | 41 | 26.3 | 10.35 |
11/11.5 | 42 | 27 | 10.62 |
12/12.5 | 43 | 27.7 | 10.90 |
How do I find my shoe size?
At ECCO we are committed to making your online shopping experience as easy as possible. The best way to make sure that you order the right size is to measure your feet and then compare it with the size chart above to find the appropriate size.
Please follow these 4 simple steps to accurately measure your feet:
![]() |
All your need to measure your feet from heel to toe is a piece of paper, a pencil and a ruler. |
![]() |
Place the paper on the floor up against a wall. Place the heel against the wall. |
![]() |
Mark the longest part of your foot on the paper. Repeat procedure with the other foot. |
![]() |
Measure the length of each mark and match it with the size chart. Let the longest foot decide the shoe size. |
Still, concerned about the size?
Don’t worry, you can return your item within 30 days for a full refund.
If you have any questions about fitting we think you should visit our customer service page.
Feel nature beneath your feet with our BIOM 2.1 X MOUNTAIN outdoor shoe. Built for outdoor enthusiasts, it's a shoe that harmonizes with your natural movements, while making sure you keep a strong grip on the ground, no matter how vigorous the journey.
- Crafted with our finest nubuck for premium look and feel
- With small reflective detailing, to light up in the dark
- BIOM® Technology encourages your foot to move more naturally and efficiently, and has an anatomical fit, plus a low profile that lets you feel connected to the ground
- Soft and ultra-light PHORENE™ midsole delivers energy return and bounce
- Reinforced sole construction for extra stability, along with a rock plate to protect your foot from stones and rocks
- Innovative cleats on the ECCO PERFORMANCE RUBBER+ outsole, which offers grip, multi-directional traction and stability
- FREE STANDARD SHIPPING on orders over $150
- Delivery time: 2-5 days business days