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Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's , Black, Iron Heather — Free 2 Day Shipping w/ code 2DAYAIR — 10 models

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Smartwool Classic All-Season Merino Base Layer Long Sleeve - Mens, Black, Large, SW0169520011-001 BLACK-L
Smartwool Classic All-Season Merino Base Layer Long Sleeve - Mens, Iron Heather, Extra Large, SW016952D361-XL
Smartwool Classic All-Season Merino Base Layer Long Sleeve - Mens, Black, 2XL, SW0169520011XXL000
Smartwool Classic All-Season Merino Base Layer Long Sleeve - Mens, Iron Heather, 2XL, SW016952D361XXL000
Smartwool Classic All-Season Merino Base Layer Long Sleeve - Mens, Black, 2XL, SW0169520011XXL000
Smartwool Classic All-Season Merino Base Layer Long Sleeve - Mens, Iron Heather, 2XL, SW016952D361XXL000
Smartwool Classic All-Season Merino Base Layer Long Sleeve - Mens, Black, 2XL, SW0169520011XXL000
Smartwool Classic All-Season Merino Base Layer Long Sleeve - Mens, Iron Heather, 2XL, SW016952D361XXL000
Smartwool Classic All-Season Merino Base Layer Long Sleeve - Mens, Black, Large, SW0169520011-001 BLACK-L
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Smartwool Classic All-Season Merino Base Layer Long Sleeve - Mens, Black, Large, SW0169520011-001 BLACK-L
Smartwool Classic All-Season Merino Base Layer Long Sleeve - Mens, Iron Heather, Extra Large, SW016952D361-XL
2 of 8 images
Smartwool Classic All-Season Merino Base Layer Long Sleeve - Mens, Iron Heather, Extra Large, SW016952D361-XL
Smartwool Classic All-Season Merino Base Layer Long Sleeve - Mens, Black, 2XL, SW0169520011XXL000
3 of 8 images
Smartwool Classic All-Season Merino Base Layer Long Sleeve - Mens, Black, 2XL, SW0169520011XXL000
Smartwool Classic All-Season Merino Base Layer Long Sleeve - Mens, Iron Heather, 2XL, SW016952D361XXL000
4 of 8 images
Smartwool Classic All-Season Merino Base Layer Long Sleeve - Mens, Iron Heather, 2XL, SW016952D361XXL000
Smartwool Classic All-Season Merino Base Layer Long Sleeve - Mens, Black, 2XL, SW0169520011XXL000
5 of 8 images
Smartwool Classic All-Season Merino Base Layer Long Sleeve - Mens, Black, 2XL, SW0169520011XXL000
Smartwool Classic All-Season Merino Base Layer Long Sleeve - Mens, Iron Heather, 2XL, SW016952D361XXL000
6 of 8 images
Smartwool Classic All-Season Merino Base Layer Long Sleeve - Mens, Iron Heather, 2XL, SW016952D361XXL000
Smartwool Classic All-Season Merino Base Layer Long Sleeve - Mens, Black, 2XL, SW0169520011XXL000
7 of 8 images
Smartwool Classic All-Season Merino Base Layer Long Sleeve - Mens, Black, 2XL, SW0169520011XXL000
Smartwool Classic All-Season Merino Base Layer Long Sleeve - Mens, Iron Heather, 2XL, SW016952D361XXL000
8 of 8 images
Smartwool Classic All-Season Merino Base Layer Long Sleeve - Mens, Iron Heather, 2XL, SW016952D361XXL000

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Most Recent Reviews
Smartwool for moisture management by Tigger, Verified Owner, December 16, 2025
I purchased this for a base layer shirt for cycling. 5'10 192lbs athletic build. This shirt is light weight and on the thinner. Surprisingly it was loose fitting,it still performed as needed just a little looser than expected. I only purchase we ool ...
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Detailed Model List
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Product Info for Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's

Spring skiing or summer camping? The year-round Men's Classic All-Season Merino Base Layer Long Sleeve is game for either. With the Core Spun technology, they've wrapped lightweight Merino around a nylon core for added durability, while still keeping the comfort of ultra-soft, responsibly-sourced Merino next to skin. They added smooth flatlock seams to help minimize chafing and offset shoulder and side seams to lie smoothly beneath pack straps. No matter the season or the activity, this base layer is made for it.image

Specifications for Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's:

Manufacturer: Smartwool
Body Length: Regular
Length, Alpha: Regular
Sleeve Length: Long
Age Group: Adults
Apparel Fit: Slim
Gender: Male
Fabric/Material: 88% Merino Wool/12% Nylon
Fire Resistant: No
Sleeve Type: Long Sleeve
Tactical: No
Reflective/High Visible: No

Features of Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's

  • Slim fit is intended to follow the contours of the body
  • Lightweight Merino jersey fabric uses a recycled nylon core to increase durability while still keeping 100% Merino wool next to skin
  • Flatlock seam construction and offset shoulder and side seams designed to increase comfort and minimize chafing
  • Side seams wrap to front for body-enhancing fit

Package Contents:

  • Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's

Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's Orderable Models

List of Orderable Models

  • Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's, Black, Small, SW0169520011-001 BLACK-S , MPN: SW0169520011-(001) BLACK-S , UPC: 196247539646 , Code: STW-AT1-RSRS50-SW0169520011-001-BLACK-S
  • Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's, Iron Heather, Small, SW016952D361-S , MPN: SW016952D361-(D36) IRON HEATHER-S , UPC: 196247539677 , Code: STW-AT1-RSRS50-SW016952D361-S
  • Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's, Black, Medium, SW0169520011-001 BLACK-M , MPN: SW0169520011-(001) BLACK-M , UPC: 196247539745 , Code: STW-AT1-RSRS50-SW0169520011-001-BLACK-M
  • Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's, Iron Heather, Medium, SW016952D361-M , MPN: SW016952D361-(D36) IRON HEATHER-M , UPC: 196247539769 , Code: STW-AT1-RSRS50-SW016952D361-M
  • Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's, Black, Large, SW0169520011-001 BLACK-L , MPN: SW0169520011-(001) BLACK-L , UPC: 196247539837 , Code: STW-AT1-RSRS50-SW0169520011-001-BLACK-L
  • Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's, Iron Heather, Large, SW016952D361-L , MPN: SW016952D361-(D36) IRON HEATHER-L , UPC: 196247539875 , Code: STW-AT1-RSRS50-SW016952D361-L
  • Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's, Black, Extra Large, SW0169520011-001 BLACK-XL , MPN: SW0169520011-(001) BLACK-XL , UPC: 196247539936 , Code: STW-AT1-RSRS50-SW0169520011-001-BLACK-XL
  • Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's, Iron Heather, Extra Large, SW016952D361-XL , MPN: SW016952D361-(D36) IRON HEATHER-XL , UPC: 196247539974 , Code: STW-AT1-RSRS50-SW016952D361-XL
  • Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's, Black, 2XL, SW0169520011XXL000 , MPN: SW0169520011XXL000 , UPC: 196247540031 , Code: STW-AT1-RSRS50-SW0169520011XXL000
  • Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's, Iron Heather, 2XL, SW016952D361XXL000 , MPN: SW016952D361XXL000 , UPC: 196247540079 , Code: STW-AT1-RSRS50-SW016952D361XXL000

Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's Unavailable & Discontinued Models

List of Unorderable Models

  • Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's, Natural, Small, SW0169521001-S , MPN: SW0169521001-(100) NATURAL-S , UPC: 196247540154 , Code: STW-AT1-RSRS50-SW0169521001-S
  • Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's, Natural, Medium, SW0169521001-M , MPN: SW0169521001-(100) NATURAL-M , UPC: 196247540239 , Code: STW-AT1-RSRS50-SW0169521001-M
  • Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's, Natural, Large, SW0169521001-L , MPN: SW0169521001-(100) NATURAL-L , UPC: 196247540345 , Code: STW-AT1-RSRS50-SW0169521001-L
  • Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's, Natural, Extra Large, SW0169521001-XL , MPN: SW0169521001-(100) NATURAL-XL , UPC: 196247540444 , Code: STW-AT1-RSRS50-SW0169521001-XL
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