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Other products by Simms
Item #: Merino Wool Zip Top
Reg. Price: $109.95
Our Price: $69.95


You don't need to go down under to find the best wool mid zip top. We carry the Simms DownUnder right here in the US and this merino wool mid zip top will keep you toasty warm on crisp cold days. The odor free DownUnder provides warmth-to-weight performance while it regulates body temps across high-altitude ups and downs, while flat seam construction combined with flatlock stitching delivers natural stretch and comfort for a full range of fishing motions.


  • Warmer, 18.5 micron, 260gm unbleached Merino wool with softer hand for the best warmth and moisture management
  • Flat seam construction
  • Flatlock stitch stitch provides great natural stretch & recovery
  • Natural fiber is odor resistant
  • Fabric Tech: 100% Merino Wool
  • Approx Weight: 10 oz./260 g/m2
  • Sizes: S/20, M/30, L/40, XL/50, XXL/60
  • Sizes: S–XXL

simms baselayer size chart


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