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New for 2017, the comfort and performance of our Joker model has been adapted with a lower volume last shape to fit slimmer feet.
Integrated Rand System (IRS) 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.
Cushioned Heel System (CHS) 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.
CHS padding in the heel area for increased comfort