The men's Karhu Synchron 1.5 is a premium cushion daily trainer for neutral or mid to late-stage overpronators runners. The Synchron gives you a soft and stable ride with a smooth, supportive transition.
The Karhu Synchron 1.5 utilizes advanced midsole materials to offer the softest running experience in the Karhu collection. The redesigned internal Fulcrum unit is more flexible than before, accentuating the cushion and improving 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 Karhu Synchron 1.5:
-Anatomical lacing system
-Full-length Fulcrum
-IdealKnit
-Ortix Fit
-AeroFoam Nova
-M-Lock
-Open-cell foam insole

Weight US10: 360g / 12.7 oz
Heel-to-toe drop: 8mm

Delivery & Returns

International Delivery 

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

Our distribution center will be closed from December 28^th through January 8^th. Orders placed and returns sent during this time will begin processing on Monday January 9^th. All orders and returns will be processed in the order they are received. 

Due to the high volume of returns and orders during the months of January and February, return processing and refunding can take the maximum time outlined on our return page (up to 30 working days). 

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):

Karhu does not cover the cost of returns from the UK. Returns from the UK can be sent to the address listed below. This return address is in the UK. Therefore, duties and taxes do not need to be paid. 

Karhu Holding BV  

Station Court 

Unit 1

Station Lane  

Hethersett NR9 3AY

Note: Including your order number in the reference field of the shipment label or including your packing slip will help in processing your return/refund as quickly as possible. 

Size guide