KOO Open Performance Sunglasses With Smoke Mirror Lens

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5 in stock, ready to dispatch.

UK, EU and Worldwide delivery available.

Available for Reserve & Collect.

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Whether you yearn for a pair of sunglasses that perfectly integrate with your Kask helmet, or you want a high-performing set that perfectly adapt to the conditions, it’s undeniable that the KOO Open Performance Sunglasses with Smoke Mirror Lens is the ideal choice. Constructed with a high-strength, durable plastic and using Zeiss lenses, you’ll be riding into the sun without any distraction thanks to this neatly conceived pair.

KOO Open Performance Sunglasses with Smoke Mirror Lens

Featuring a tinted lens to cope with brighter, more exposing conditions when out on the bike, the KOO Open Performance Sunglasses with Smoke Mirror Lens is the perfect choice for riders heading out for long days in the saddle, or riders using a KASK helmet, thanks to their integration with the popular helmet brand.

Developed alongside the Cannondale-Drapac Pro Cycling Team, these glasses hold all the features you need to lay down power and ride in style. Starting at the frame, which uses a high-strength, plastic hybrid to enhance durability, KOO have incorporated an innovative folding point that makes it easy to fold away and takes up little space in your rear pocket - alongside this, the folding arms use an Airflow Active System that ensures your lenses never steam up when your heart rate soars.

A soft, adjustable nose piece furthers the pursuit for comfort, providing precise adjustments for you to perfect your preference when riding, all whilst the easily-removable interchangeable lens clip gives you the option to change your lens in a flash when the weather takes a turn.

100% made in Italy and with the lenses made by the camera lens genius’, Zeiss, you can be sure of the ultimate quality in the KOO Performance Sunglasses.


  • 1 x Zeiss Smoke Mirror lens
  • 1 x Zeiss Clear lens
  • 1 x spare nose bridge
  • 1 x cleaning cloth
  • 1 x KOO protective case
  • Easily removable, interchangeable Zeiss lenses. Simply flip up the tab on the side and you can remove them
  • Innovative folding pivot - means they pack away easily into your rear jersey pocket
  • Micrometric adjustable arms for cooling and aerodynamic performance - stops fogging when at traffic lights or when your heart rate goes through the roof when climbing
  • Soft rubber nose pad with 2 adjustable positions for a customised fit
  • 100% Italian made
  • The perfect combination to wear with your KASK helmet
  • Comes with: Zeiss Smoke Mirror lens, Zeiss Clear lens, spare nose bridge, cleaning cloth and a KOO protective case


UK Delivery Options

Free Delivery on all orders over £30

Estimated delivery within 4 working days (a delivery charge of £1.99 for orders under £30.00 will apply)

CollectPlus Delivery

Have your order delivered to your local shop for just £1.99! For Highlands and Islands, please allow up to 5 working days. Orders can be shipped to UK CollectPlus locations specified on the SigmaSport.co.uk website where they will be held awaiting collection for a period of 10 days.

Orders placed are normally dispatched within 2 working days.

Priority 1st Class Delivery - £2.99

Estimated delivery within 2 working days.

Next Working Day Delivery* - £4.99

A guaranteed tracked courier delivery, place your order before 3pm, deliveries are made Monday to Friday.

Saturday pre 12 Delivery - £4.99

Saturday delivery orders must be placed by 1pm Friday and is only available on items in stock in our warehouse. Orders are prioritised through our warehouse and are delivered on Saturday pre 12pm by courier. Package must be signed for upon delivery.

Sunday pre 12 Delivery - £4.99

Sunday delivery orders must be placed by 1pm Friday and is only available on items in stock in our warehouse. Orders are prioritised through our warehouse and are delivered on Sunday pre 12pm by courier. Package must be signed for upon delivery.

Reserve and Collect** - FREE

Reserve & Collect is available on all items marked 'Collection'. It is a FREE delivery option that allows you to collect your order from either our Sigma Sport Store, Hampton Wick or our Reserve & Collect location in Esher. Just select the Reserve & Collect button in the basket.

* Next Working Day delivery is only available on items in stock in our warehouse and excludes pre- order items. Next Day refers to the next working day, Bank Holidays will add an extra working day to the estimated delivery lead times. UK next day excludes Saturday deliveries. This service is not available to some remote postcode areas. Please contact us for help.

** Reserve and Collect Collections - Clothing, parts and accessories: Next day. Orders placed on Friday, Saturday or Sunday will be available for collection after midday on the Monday (excluding Bank Holidays). Bikes: 4 days if in stock at store, collect in up to 7 days (sometimes quicker) if in stock at warehouse.

London Same Day (Order Before 1pm)

We offer a Same Day delivery service into London. The cost is £25.00 under 2Kg and £35 over 2Kg. Place your order before 1pm, deliveries are made Monday to Friday. Please note this option excludes bicycles.

More information on our Same Day delivery options.

Bike Deliveries

All our bikes are fully checked and tuned and tested by our Cytech qualified mechanics and then securely packaged, ready for despatch. All you have to do is add the pedals, rotate and tighten the handlebars. Typically we can deliver your bike in 4 - 5 working days.

Deliveries are made Monday to Friday on a pre-12pm delivery. One of our customer service team will be in contact to arrange a convenient day for delivery.

More information on all our UK delivery options.

International Delivery and Returns

We ship to over 100 countries using DHL for a fast and reliable delivery. To see the delivery cost, please add your items to the basket and proceed to the checkout.

International customers have 30 days from their order date to return the order. Goods must be returned in new condition with all original packaging intact and tags attached.

For full details, see this link.

Free UK Returns

We offer a free returns service for our UK customers. Sigma Sport will happily refund or exchange any item purchased at Sigma Sport, excluding Sigma Sport gift vouchers and personalised products except when faulty.

More information on the Sigma Sport returns procedure.

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