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Boreal Silex Lace

12 Reviews   |   Size Guide
Boreal Shoe Sizing Guide
Boreal Shoe Sizing Guide
Boreal Shoe Sizing Guide
Boreal Shoe Sizing Guide
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The Boreal Silex lace is a reasonably stiff entry to mid level rock climbing shoe, ideal for all day trad climbing and those starting out.

The Silex is based on the last of the classic Boreal Joker but stiffened up to offer maximum support on big routes and all day climbing use. The Silex is perfect for everything from visits to the local climbing wall or a day in the mountains, to a circuit bouldering session with friends. Due to its increased stiffness the Silex may actually be a better bet for novices than the Joker, due to the greater amount of support given to feet unaccustomed to the strain of climbing.

Apart from it’s better looks the major change to the Silex has been the extension of the lacing down to the toe, which provides a much more customisable fit than for the previous model, or for the Joker.

Overall, a very good shoe that comes highly recommended in this class!


  • Midsole: Half stiff
  • Outsole: FS-Quattro thickness: 4-4.6 mm depending on size.
  • Upper: Split leather and Lorica
  • Gender: Unisex
  • Closure: Lace
  • Weight: 512g

Help with sizing your rock shoes

If you require some assistance with sizing this shoe to your particular needs click here: Rock Shoe Sizing Guide

Customer Reviews

4.4 Based on 12 reviews
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Andreas P.
Denmark Denmark

Good looking nice shoe

Good looking nice shoe

Dan A.
United Kingdom

Great fit

Sizing was fairly spot on, I’m a 10 1/2 to 11, purchased a 10. A great fit for wider foot, tight, but tight is right! Would recommend.

Allison T.
United Kingdom

Great shoe

Very comfortable shoe even when worn all day. I am fairly new to climbing and this is my first pair of shoes, having previously hired shoes. Wearing these has progressed my climbing almost immediately, great grip and fit.

Hanna M.

Comfortable shoe for intermediate climbers

The size and fit are as expected, so I am very happy with the shoe. Espacially for people with a little bit wider feet Boreal is the brand you want. On a 6a over-hang the shoe is great for secure foot placement and smaller features. It's a shoe for intermediate climbers including more technical routes but still very comfortable.

Hanna M. verified customer review of Boreal Silex LaceHanna M. verified customer review of Boreal Silex Lace
Paul H.
United Kingdom

Getting the size right

Following advice, I ordered a larger size than normal but still had a problem fitting one shoe. This turned out to be a fault affecting the size of the shoe rather than my funny feet! This was resolved quickly by Rock and Run and I have now got a well fitting pair of climbing shoes. They are well supporting through the instep and the full length asymetric lacing allows a really adjustable fit. Excellent!