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Heel Fit System
The Heel Fit System (HFS) consists of anatomically sculpted pieces of foam padding which hold the heel comfortably and securely in place to avoid unwanted movement.

Trekking boots require a snug fit around the heel area to prevent unwanted movement which can lead to excessive friction and blisters. HFS is a system of anatomically shaped high quality foam padding which helps to comfortably hold the heel securely whilst accommodating different heel shapes.

Ref. 47305 MAIPO

Maipo is built to last. The upper is made from thick premium quality split leather upper and has a very generous full length protective rubber rand making it extremely tough and durable. Combined with our unique co-moulded FDS-3 outsole Maipo is built to last and is understandably very popular with mountain professionals.

Product Info
  • UPPERS: Premium quality waterproof 2.6mm. Split leather and Lorica. HFS padded heel system for a perfect fit. Rubber rand for protection

  • LINING: Boreal Dry-Line® for absolute waterproofness and superior breathability

  • MIDSOLE: Boreal PBG-650 with lateral reinforcements for torsion control

  • SOLE: Boreal Mount FDS-3 with triple density rubber. Plus 10 mm EVA-Pro midsole for shock absorption and thermal insulation. Technical Crampon compatible

  • USAGE: Cold conditions. Glaciers and snow couloirs. Long approaches and classic mountaineering.

  • WEIGHT: 1870 grs./pair (size 7 UK)


  • Maipo is non-insulated and so is ideally suited to summer alpine use when highly insulated boots are often too warm, or for lower altitude winter mountaineering in less severe temperatures. Our unique Dry-Line® lining system is fully waterproof and has superior moisture vapour transfer performance to help keep your feet dry in all weathers. 

  • Maipo is crampon compatible and is suitable for less technical winter climbing and glacial travel as well as being great for scrambling, mountain walking and general summer alpinism. Our proven FDS-3 outsole is co-moulded with three different density rubber compounds and offers unrivalled reliability and grip.