Altitude Sports X Kombi Women's B4 Merino Zip

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Runs Slightly Small
True to Size
Runs Slightly Large
Runs Large


Kombi and Altitude Sports’ collaboration on the women’s B4 ½ ZIP TOP makes for a lightweight pullover for performance sports on a cool day or a base layer when colder. The body is 100% merino wool, meaning a soft next-to-skin feel, warmth retention, natural stretch and antimicrobial properties that wicks moisture away and keeps you dry and warm. A front half-zip extends into a high standing collar, capped by a zip garage to protect your neck. Raglan sleeves and thumbloops control the fit, while anti-friction flatlock seams mean less abrasion points and less bulk to contend with. A slight drop hem ensures more coverage. Two-colour contrast stitching and a distinct yet subtle hem tag mark the collaboration piece. The elite heat rating is one of the warmest tops in Kombi’s lineup.

  • Collaboration hem tag
  • 100% Merino wool
  • Antimicrobial
  • Stretch fabric
  • ½ front zip w/ zip garage
  • High standing collar
  • Flatlock seams
  • Drop hem w/contrast stitch
  • Thumb loops
  • Performance base layer

Collaboration Story: Kombi

New for the season, we've partnered with Canadian brand Kombi to design an exclusive collaboration of merino wool base layers. We chose a matching family kit, creating classic yet versatile styles with unique highlights in orange along the seams and zippers. Each garment of non-mulesing merino wool offers the warmth, softness, and moisture-wicking comfort ideal for a family lifestyle of winter activities in Canada’s outdoors.


Temperature Rating

  • Warmth factor : 4


  • 100% Merino Wool
  • Antimicrobial treatment
  • Stretch fabric


  • Raglan sleeves
  • High standing collar
  • Thumbloops
  • ½ front zip w/ zip garage


  • Regular 


  • Drop hem slightly longer at the back 

Recommended Use

  • Layering, Casual Wear

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