To climb the hardest routes and boulders, a shoe must excel in all areas; to find friction wherever it appears. Edges, smears, heel and toe hooks; any of these may be needed to ensure a successful ascent.  With the Boreal Mutant, there is no compromise.


  • Uppers:  High quality split leather. Elastic and strap footwrap closure system. Extra thin rubber zone over the toes for grip and protection.
  • Sole:  Ultra sticky Boreal ZENITH outsole.4-4.5mm thickness depending on size.
  • Lining:  No
  • Weight:  460 grs./pair (size 6 UK)
  • Characters:  High performance strap slipper hybrid. Outstanding performance on extreme moves like toe and heel hooking thanks to its innovative rubber toe patch and outstanding heel. Great edging performance and sensitivity.