Smartwool Womens Merino 150 Baselayer Long Sleeve

Size Chart
Light Marlin Blue
Deep Navy
Light Gray Heather
Wave Blue Stripe
Indigo Blue
Cloudy Blue Marble Wash
Ash Heather Stripe

An all-season favorite, wear the Smartwool Women's Merino 150 Base Layer Long Sleeve as a base layer in fall or as a single layer when summer backpacking calls. Featuring Core Spun technology, Smartwool wrapped merino around a nylon core for added durability while still keeping the temperature regulation and moisture management benefits of ultra-soft merino next to skin. 


  • Slim Fit
  • Smartwool's lightest weight merino jersey fabric uses a nylon core
  • Raglan sleeve design eliminates shoulder seams
  • Side seams wrap onto front for enhanced fit
  • Stretch stitching designed to elevate comfort, range of motion, and fit
  • Garment Weight: 133 g = 4.7 oz
  • Knit in Vietnam: 87% Merino Wool, 13% Nylon Core