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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.

Comfort Flex System

CFS is a system to improve the flexibility of hiking boots around the ankle area in a fore/aft direction. CFS greatly enhances the ergonomics of the boot resulting in a more natural and comfortable walking action.

Hiking boots with uppers made from stiff materials can restrict the natural articulation of the ankle joint causing discomfort when walking.  CFS answers this problem by carefully positioning panels of soft pliable materials in specific areas of the upper. These soft compressible panels act like hinges to allow the natural articulation of the ankle in a fore/aft direction.

Hard incompressible components such as lace eyelets are either made from soft textile materials instead or repositioned so as to not cause pressure points or impede articulation.  CFS greatly enhancing the ergonomics of hiking boots is resulting in a more comfortable and natural walking action.

Ref. 45512 SHERPA

Boreal Sherpa is a super tough trekking boot with a lower height ankle cuff and medium flex. The thick high quality split leather upper with rubber toe cap is very abrasion resistant and, unlike a smooth leather finish, does not show scuffs and scrapes. This makes Sherpa particularly well suited to trekking in rocky terrain.  

Product Info
  • UPPERS: One piece premium quality waterproof 2.6mm Split leather with Neoprene and Lorica. HFS padded heel system for a perfect fit. CFS flex system for maximum comfort. Rubber toecap for protection

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

  • MIDSOLE: Boreal PB-60

  • SOLE: Vibram Aftersky. Dual density rubber sole

  • USAGE: Trekking, backpacking, fell walking, 2-3 season use

  • ​WEIGHT: ​1310 grs./pair (size 7 UK)


  • 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. The high quality Vibram Trek Viking® outsole is durable, has deep lugs for great grip in all conditions and is well cushioned with polyurethane foam. A full length medium stiffness midsole provides excellent underfoot support on rough ground.