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

Returns and Refunds

We accept returns of all items within 15 days of receiving the order with the right to full refund. A return label by Royal Mail is included in your shipment and the returns are free of charge. If you are missing the return label or need to make a second return, please email our Customer service department at customerserviceEU@karhu.com to provide you a new return label.

Your return will be accepted if the goods are returned in the same condition as when you received the order. If the item has been used, damaged, washed, altered or missing tags/labels (for apparel), we are entitled by law to charge you a fee for the depreciation of the item. 

We will process your return and issue a refund within maximum of 30 days. Refunds will be issued via the original method of payment.

Exchanges

We don't do exchanges at Karhu at the moment. If you would like to change your item for a different color or size, please return your item and place a new order. 

Size guide