SL Active Kinesis Pro Gtx Delta Gtx Delta Gtx wmn Ladakh Gtx Hekla Gtx wmn R-evolution Active Gtx R-evolution Active Gtx wmn

ALL PRODUCTS Backpacking


SL Active

Protective and comfortable boot.

Model designed for technical and challenging trails, long hikes, with a full backpack.

  • UPPER Full-grain tough leather upper, leather collar and Flex Point in leather; a full rubber rand for protection.
  • LACING Latest generation quick-fastening system with bi-component parts in lightweight steel and plastic to allow the laces to pass through quickly. The lacing can be split into upper and lower sections, allowing maximum customisation of the fit. 
  • LINING In leather around the heel and 37.5® fabric around the toes for maximum breathability and comfort. 
  • SOLE Biometric Trek sole with PU midsole for maximum shock absorption and durability. Vibram® rubber outsole.

  • Upper: Sherpa HS12 leather 2.5-2.7 mm.
  • Lining: Leather + 37.5 by Cocona®
  • Size: 40 - 50 (with ½ sizes)
  • Weight: 860g (½ pair size 42)


Active Fit technology Activ impact

Ankle padding   Autofit collar   Flex point   Speed lacing

Insole Performance Flex

Insole Performance Flex

Sole Biometric

Sole Biometric