• Karhu Synchron OG men's running shoes
  • MEN'S SYNCHRON 1.5 - OG  F100339
  • MEN'S SYNCHRON 1.5 - OG  F100339
  • MEN'S SYNCHRON 1.5 - OG  F100339
  • MEN'S SYNCHRON 1.5 - OG  F100339
  • MEN'S SYNCHRON 1.5 - OG  F100339
  • MEN'S SYNCHRON 1.5OG

    £108.00£145.00 F100339

    Cushion

    Guidance

    Propulsion

    Drop 8 mm

    Weight 12.7 oz

    Weight 360 g

    Colour

    Karhu Synchron OG men's running shoes

    Select size

    New to the Synchron? The Synchron fits true to size.

    Please select a size


    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.

    Details Karhu Synchron 1.5:
    -Anatomical lacing system for micro-adjustments
    -Full-length Fulcrum for a stable ride
    -Cushioned AeroFoam Nova midsole
    -Ideal Knit mesh construction for breathability and support
    -Seamlessly engineered upper
    -Open-cell foam insole for a plush feel


    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


    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!

    Delivery & Returns

    Returns and Refunds

     

    We accept returns of all items within 15 days of receiving the order with the right to full refund. As of February 7th, 2024 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.


    For orders placed before February 7th, 2024 the return should be made directly at our warehouse to the address listed below. This address is located within the UK and no duties or taxes need to be paid. 


    To process your return and refund as quickly as possible, please include your order number in the reference field of the shipment label or include your packing slip 

    Karhu does not cover the cost of these returns. 


    Return address in the UK: 

    Karhu Holding BV  
    Station Court, Unit 1
    Station Lane  
    Hethersett NR9 3AY  

     

    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. 

     

     

    New to the Synchron? The Synchron fits true to size.

    Size guide

    Feet size (in CM) US mens size US womens size EU size UK size
    23 4 5.5 35 3
    23.4 4.5 6 36 3.5
    23.8 5 6.5 37 4
    24.3 5.5 7 38 4.5
    24.6 6 7.5 39 5
    25.1 6.5 8 39.5 5.5
    25.5 7 8.5 40 6
    25.9 7.5 9 40.5 6.5
    26.3 8 9.5 41.5 7
    26.8 8.5 10 42 7.5
    27.2 9 10.5 42.5 8
    27.6 9.5 11 43.5 8.5
    28 10 11.5 44 9
    28.5 10.5 12 44.5 9.5
    28.9 11 12.5 45 10
    29.3 11.5 13 46 10.5
    29.7 12 - 46.5 11
    30.1 12.5 - 47 11.5
    30.6 13 - 48 12
    31 14 - 49 -
    More Reviews

    REVIEWS 

    Customer Reviews

    Based on 2 reviews
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    H
    Hans-Werner Mewes
    Back to running after years

    Running was my favourite sport for many years. Coming of age, cycling became easier to tune the load. 30 years ago, I loved my Karhu shoes. Now, back on track with my 71, I like the Synchron much and hope for 1000 km this year!

    L
    Larry Primus

    MEN'S SYNCHRON 1.5 - OG

    TECHNOLOGY

    The KARHU Fulcrum technology is designed to keep all forces going forward, reducing braking forces and using your body's natural energy to create a smoother ride. It's what we call the Rolling Effect. Fulcrum Technology provides: Balanced Cushioning, Increased Support, More Energy. The Synchron features a full length stingray fulcrum.

    Karhu UK
    Karhu UK

    OrtixFit shapes your mid sole and upper volumes using data directly collected from over 2 Million runner's feet. What started in 2018 with the launch of the Karhu Ikoni the 1st model shaped by ORTIX, we now offer all our footwear models with our ORTIX Fit, based on actual scanning data in regular, HiVo (more volume) and Hera (women specific) Fit volumes. Karhu collaborates with Volumental(TM) and Fleet Feet(TM) create personalized fit experiences.

    Karhu UK
    Karhu UK

    Our proprietary midsole foam: lighter, more resistant to temperature changes and better cushioning than EVA.

    Karhu UK
    Karhu UK

    Seamlessly knitted upper patterns placed on the Ortix lasts with zones for support, stretch, and breathability.

    Karhu UK
    Karhu UK

    The M-lock side panels help secure the shoe around the foot while an inner booty construction remains straight.

    Karhu UK
    Karhu UK

    FUSION

    Karhu UK

    Guidance

    Cushion

    Propulsion

    IKONI

    Karhu UK

    Guidance

    Cushion

    Propulsion

    MESTARI RUN

    Karhu UK

    Guidance

    Cushion

    Propulsion

    Customer Reviews

    Based on 2 reviews
    100%
    (2)
    0%
    (0)
    0%
    (0)
    0%
    (0)
    0%
    (0)
    H
    Hans-Werner Mewes
    Back to running after years

    Running was my favourite sport for many years. Coming of age, cycling became easier to tune the load. 30 years ago, I loved my Karhu shoes. Now, back on track with my 71, I like the Synchron much and hope for 1000 km this year!

    L
    Larry Primus

    MEN'S SYNCHRON 1.5 - OG