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When the ground is soft and the demands are hard, cinch up the S-Lab 4 XT Wings Soft Ground. With a deep lug pattern that excels on grasses, mud and other soft terrain, this shoe is lighter than other trail shoes that deliver this high-level of cushioning. And surprisingly, the grip on rocky surfaces is excellent. Ultra races, sky races or that long training run will be greatly served in the S-Lab 4 XT Wings Soft Ground.

Model Number:

Important Shipping Note: U.S. sales only.

Weight: 11.2 oz (size 9)

Stack Height: Heel (27mm), Forefoot (18mm); includes 5mm average lug height

Available Widths: D=Medium

How It Fits (based on width D) 

  • Sizing: Standard running shoe length
  • Heel: Medium to narrow
  • Midfoot: Medium to low volume
  • Forefoot: Narrow to medium
  • Toe-Box Height: Medium
  • Arch Structure: Medium
  • Shoe Shape: Curved

INTRODUCTION

The S-Lab 4 XT Wings is a maximum feature, minimum support trail shoe designed for racing, daily training and high mileage.

CUSHIONING

  • AC2 Muscle extends from the heel to the mid-forefoot and is sandwiched between the outsole and AC Skeleton. This composite foam is designed to provide cushioning.
MDISOLE
  • AC2 Muscle extends from the heel to the mid-forefoot and is sandwiched between the outsole and AC Skeleton. This composite foam is designed to provide cushioning.
  • AC Skeleton is utilized from the heel to midfoot and sits above the AC2 Muscle unit. The AC Skeleton is a thermoplastic unit engineered to aid in heel to toe transition while reducing lateral movement.
  • Pronation Control is located at the medial midfoot and is a higher density foam designed to reduce overpronation.
  • EVA Footbed sits above the AC Skeleton and is composed of an S-EVA foam engineered for under foot cushion.
UPPER
  • Open Mesh is used throughout the upper and is designed to be breathable and quick drying.
  • Quicklace is made from durable Kevlar fibers and is intended for easy shoe entry and exit.
  • Sensifit is located on the medial and lateral sides and is designed to wrap the foot with a secure fit.
  • Gusseted Tongue helps keep debris out of the shoe.
  • OrthoLite Sockliner is composed of anti-bacterial material and is designed to reduce odor and moisture while adding cushion directly underfoot.
  • Strobel Last is full length and is intended to give additional support.
OUTSOLE
  • Winter Contagrip is an aggresive lugged pattern used throughout the outsole and is designed for increased traction over varying terrains and conditions.
  • AC Tendon is utilized in the heel and is engineered for high energy return.

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