The Synchron 2021 utilizes advanced midsole materials to offer the softest Karhu collection. The redesigned internal Fulcrum unit is more flexible than before which accentuates the cushion and improves the transition. The adjusted upper moves easily with the foot and accommodate a broader range of foot shapes. Newly added is the open-cell foam insole for a plush feel.

Technologies:
-½ length Fulcrum 
-IdealKnit
-Ortix Fit
-AeroFoam
-M-Lock
-Open-cell foam insole

Weight US8: 300g / 10.5 oz
Heel-to-toe drop: 8mm

Delivery & Returns

International Delivery 

Due to the high volume of returns and orders during the months of January and February, return processing and refunding can take up to 30 working days. 

Karhu is an international brand and we ship to most countries in the EU. Your order is prepared for shipment on business days the next morning after you placed your order. Typically, the warehouse is able to manage and send out your order the same day, or the next morning after they start processing it! Currently we aren’t able to offer you express shipping in the EU. The transit times below are indications of the transit time after your order has left the warehouse. Please note that our European warehouse is located in the Netherlands. On local holidays our warehouse is closed. 

Returns, Refunds and Exchanges 

If you choose to return for a refund, we'll provide a prepaid return-shipping label for orders within the eurozone and a refund for the amount you paid for the returning item, minus a €5.00 restocking fee per return.

The prepaid return-shipping label is included in your shipment, in case the return label is missing in your shipment, you must notify us at customerserviceEU@karhu.com within 14 days of the date the product was delivered to you.

The returned product must be received by our facility within 21 days of the date the product was delivered to you. We will process your refund as soon as possible, after we have received the returned product, and within a maximum of 30 days.

Prepaid shipping labels are only provide on orders that are shipped from within the Eurozone. 

RETURNS FROM FINLAND AND FRANCE:

When you would like to return your order from Finland or France please visit the following webpage: www.karhu.com/returnseu

On the page you can generate your prepaid returnlabel. 

RETURNS FROM UNITED KINGDOM (PER 18-12-2020):

When you would like to return your order from the United Kingdom.

You can ship it to the following address:

Karhu Holding BV

5 Station Court

Station Lane

Hethersett NR9 3AY

Returns from Switzerland & Norway:  

If you choose to make a return from Switzerland or Norway, you may choose any carrier for the return shipment. The shipment must be delivered to the address of our European warehouse (see below) for a refund. The returned product must be received by our facility within 21 days of the date the product was delivered to you and be in proper condition. We will process your refund as soon as we have the returned product and within a maximum of 30 days. 

When a customer would like to receive a refund, they must send the return shipment at their own cost (including duties and taxes) to the following return address: 

Bleckmann Nederland BV 

C/O Karhu 

Nijverheidsstraat 28 

7575 BJ Oldenzaal 

Size Guide Running Women

STEP 1

Place a piece of paper on the floor with one end against the wall. Put your foot on the piece of paper with your heel against the wall.

STEP 2

Take a pencil and mark the end of your longest toe on the paper. Repeat for your other foot.

STEP 3

Measure in cm from the wall (heel) to the longest point (toe). Take the larger measurements. Than take what you measured + 0.5 CM and compare it with our shoe sizes in the size chart.