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Integrated Rand System

The IRS system goes a step further in the manufacturing of climbing shoes. This one piece climbing sole never deforms and has a superior fit.
We can achieve different thicknesses in the rubber and the one-piece construction increases durability. 


The innovative one-piece sole and rand construction of the Integrated Rand System (IRS) allows Boreal to finely tune the rubber thickness around the shoe for the optimum balance of fit, performance and durability. By combining the rand and sole unit into one piece, there is zero chance of delaminating.

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Cushioned Heel System

In order to improve comfort when stepping off the rock or walking between routes, Boreal developed the Cushioned Heel System (CHS). Using shock absorbing EVA under the heel, the foot is cushioned from rocky and hard ground.


When climbing all day, normal rock boots become tiring very quickly as the thin, sensitive nature of their construction does little to protect the foot. With the Boreal Cushioned Heel System (CHS) an EVA shock absorbing insert under the heel cushions and protects the foot with no loss of climbing performance. This means that walking between routes and stepping off the rock onto hard, uneven surfaces can be achieved in comfort.

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Zenith

Zenith is a unique high performance climbing rubber compound developed by Boreal. This compound provides outstanding friction and excellent hold on small edges.



Zenith rubber is a high performance rubber developed by Boreal. Zenith is designed for no-compromise performance, and features incredible friction properties combined with an ability to hold micro edges. This ultimate compound is featured on our highest performance rock shoe models. 


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JOKER LACE
Ref. 11358 JOKER LACE
Joker Lace

The famous original comfort shoe has been updated and refreshed to be better fitting, better looking and is now more sustainable too. Featuring extensive use of recycled materials, the Joker Lace provides the ideal package; outstanding comfort and great performance without costing the earth. 

Product Info
  • UPPERS Split leather and microfiber. Air Net side for increased ventilation. Long lace system for great fit
  • LINING One piece 3D lining for greater breathability
    CONSTRUCTION Slip-lasted
  • MIDSOLE Special anti-deformation recycled midsole
  • SOLE Sticky yet durable BOREAL Zenith QuattroTM outsole. 4-4.5 mm thickness depending on size. Rear part of the outsole with recycled rubber
  • CHARACTERISTICS Incredibly comfortable 3D Air Net lined shoe for long routes or long training sessions. Fit in your street shoe size to wear all day or in smaller sizes for increased precision 
  • USAGE Climbing courses, training (indoor and outdoor) and long routes

    WEIGHT 578 gr. pair. Size 71⁄2 U.K.

Features

  • Joker Lace is built on a super-comfortable semi-asymmetric last with a slim fitting and rounded heel and low tension rand. The upper is constructed from high quality split leather and synthetic microfibre, with recycled content on the textile tongue and lining. The innovative lace closure combines a traditional higher friction eyelet closer to the toe, with easy opening low friction ‘speed lace loops’ higher up. This allows fast opening and closure while maintaining the preferred toe fit. The one piece moulded heel is manufactured with recycled rubber, and incorporates a cavity filled with shock absorbing EVA for excellent underfoot cushioning. 

  • The medium stiffness midsole is made with recycled material, and combined with the sticky and durable Zenith Quattro 2 outsole provides the ideal blend of edging support and long-lasting friction. From starting out, to long routes, all day wear, performance training and bouldering, no pack is complete without a pair of Joker Lace. 
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