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Men's Baselayer Tops

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107 products
Men's merino wool colorblock crew base layer top, long sleeve, olive and cream with dark panels
Sale
Men's black long-sleeve crew shirt with small white chest logo
Men's black long-sleeve crew shirt, round neck, small chest logo
Sale
Men's long-sleeve crew neck top, maroon
Men's long-sleeve crew neck top in maroon, front view
Sale
Rab men's Force hoody, light gray hooded pullover with long sleeves and front logo
Rab men's Force hoody, oxblood and red color-block hooded pullover with long sleeves
Sale
Men's midweight hoodie with hood and kangaroo pocket, blue
Men's midweight hoodie with hood and kangaroo pocket, black heather
Sale
Men's merino long-sleeve crewneck shirt, dark navy
Sale
Lifa Active crew top, olive green with dark gray side panels and HH logo
Lifa Active crew top, black long-sleeve with HH logo at chest
Sale
Men's merino thermal crew base layer top, black with yellow and gray colorblock
Men's merino thermal crew base layer top, black with navy blue colorblock
Sale
Men's merino thermal 1/4 zip top, dark color, long sleeves with quarter-zip collar
Men's thermal merino 1/4 zip top in dark color, front quarter-zip placket, slim fit
Sale
Men's short-sleeve base T-shirt in olive green, crew neck
Men's short-sleeve base T-shirt in navy blue, crew neck
Sale
Men’s long-sleeve crew neck base layer top in mustard yellow with panel seaming at chest and sleeves
Men’s long-sleeve crew neck base layer top in mustard yellow with curved seam panels and slim fit
Sale
+ 1
Men's long-sleeve crew-neck tee, dark with Rab logo at chest and contrast seams
Men's long-sleeve crew-neck tee, olive green with Rab logo at chest and contrast seams
Sale
Men's short-sleeve wool blend top, dark gray and black striped panels
Men's short-sleeve top, dark teal with contrasting navy shoulder and sleeves
Sale
Navy heather quarter-zip pullover with chest pocket and long sleeves.
Navy heather quarter-zip pullover with logo patch chest pocket and front zipper.
Sale
Men's grey striped long-sleeve wool top with mock neck zipper and orange trim
Men's olive-green striped long-sleeve wool top with yellow cuffs and contrast side panel
Men's short-sleeve T-shirt, light lime green, crew neck with small chest logo
Men's short-sleeve T-shirt in light lime green, crew neck, straight hem
Sale
Lightweight baselayer top, woodland camo raglan long sleeves
Lightweight baselayer top, black long-sleeve raglan with small chest logo
Sale
Artilect Boulder 125 1/4-zip top, olive green, long sleeves, quarter-zip front
Artilect Boulder 125 1/4-zip top, black, long sleeves, quarter-zip front
Sale
Simms men's thermal 1/4 zip top, dark, long sleeves, quarter zip
Simms men's thermal 1/4 zip top, dark, front quarter zip
Sale
Mens short-sleeve T-shirt, dark navy, crew neck, white chest logo graphic
Mens short-sleeve T-shirt, rust orange, crew neck, chest logo graphic
Sale
Rab men's force tee, dark navy blue crewneck short-sleeve front
Rab men's force tee, black crewneck short-sleeve front
Sale
Men's black tech T-shirt, crew neck, short sleeves, small chest logo, hem label
Men's black tech T-shirt with crew neck and short sleeves; hem logo label
Sale
Men's merino thermal crew base layer top with landscape knit pattern, dark green and brown
Men's merino thermal crew base layer top, mustard yellow and charcoal knit pattern
Sale
Artilect men's Flatiron 1/4-zip top, dark long-sleeve base layer
Artilect men's Flatiron 1/4-zip top, dark navy long-sleeve pullover
Sale
Men's half-zip performance top, blue with dark navy panels, long sleeves, side stripe
Men's half-zip performance top, blue and dark navy colorblock, long sleeves, white stripe
Sale
Icebreaker men's merino long-sleeve crewneck in light blue with chest mountain graphic
Icebreaker men's merino long-sleeve crewneck in dark purple with chest mountain graphic
Sale
Artilect men's crew top, long-sleeve pullover with crew neck, black, diagonal seam
Artilect men's crew top, long-sleeve pullover with crew neck, black, neckline label
Sale
Men's long sleeve half-zip tech top, loden green, mock neck and quarter zip
Men's long sleeve half-zip tech top, dark teal blue, quarter zip and rib cuffs
Sale
Smartwool Intraknit Merino 200 1/4 zip top, charcoal with olive accent patches
Smartwool Intraknit Merino 200 1/4 zip top, charcoal knit with olive shoulder details
Sale
Men's merino hoodie, dark blue, pullover hood, front pocket
Men's merino hoodie, dark blue, hooded neckline and front pocket
Sale
Men's midweight long-sleeve crew baselayer, dark blue, crew neck
Men's long-sleeve crew baselayer top in dark blue, straight hem
Sale
Men's raglan top with black body, copper-brown sleeves, crew neck, chest logo
Men's raglan top with black body and copper-brown long raglan sleeves, crew neck
Sale