Men's Lifestyle/ Casual Shirts

+ Men's = 147 items

Last year's I/O Bio Merino Men's Signature SS Crew Shirt has been replaced with these in-season styles:

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Carhartt
Men's Short Sleeve Workwear Henley

$16.99 - $18.99

up to
19%
off

26 Reviews

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Carhartt
Men's Long Sleeve Chambray Shirt

$29.99 - $40.00

up to
18%
off

6 Reviews

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Royal Robbins
Men's Desert Pucker Short Sleeve Shirt

$31.19 - $52.00

up to
40%
off

22 Reviews

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Carhartt
Men's Essential Plaid Open Collar Short Sleeve Shirt

$24.99 - $27.99

up to
18%
off

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Carhartt
Men's Textured Knit Henley

$27.99 - $34.95

up to
20%
off

10 Reviews

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Patagonia
Men's Long-Sleeved Good Shirt

$47.39

up to
40%
off

7 Reviews

Royal Robbins
Men's Cool Mesh Short Sleeve Shirt

$49.95

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Carhartt
Men's Short Sleeve Chambray Shirt

$24.99 - $27.99

up to
18%
off

1 Reviews

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Carhartt
Men's Hubbard Flannel Plaid Shirt

$39.99 - $47.99

up to
18%
off

1 Reviews

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The North Face
Men's Hydry Polo

$39.95

5 Reviews

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Carhartt
Men's Essential Plaid Button Down Short Sleeve Shirt

$24.99 - $27.99

up to
18%
off

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Patagonia
Men's Polo Shirt

$59.00

49 Reviews

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Carhartt
Men's Mock Turtle Neck

$27.99 - $29.99

up to
18%
off

9 Reviews

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Carhartt
Men's Hines Solid Long-Sleeve Shirt

$36.99 - $39.99

up to
18%
off

1 Reviews

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Royal Robbins
Men's Desert Pucker Long Sleeve Shirt

$34.79 - $57.95

up to
40%
off

3 Reviews

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Carhartt
Men's Short Sleeve Classic Plaid Shirt

$32.99 - $34.99

up to
15%
off

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Oakley
Men's Elemental Polo Shirt

$49.95

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Carhartt
Men's Bellevue Plaid Short Sleeve Shirt

$29.99 - $32.99

up to
17%
off

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Carhartt
Men's Bellevue Plaid Long-Sleeve Shirt

$39.99 - $42.99

up to
17%
off

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Royal Robbins
Men's San Juan Short Sleeve Shirt

$32.39 - $54.00

up to
40%
off

4 Reviews

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The North Face
Men's Hydry Crew

$34.95

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Merrell
Men's Acclivity Opti-Wick Polo Shirt

$49.46 - $53.90

up to
10%
off

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Carhartt
Men's Short Sleeve Chambray Plaid Shirt-141572

$32.99 - $34.99

up to
15%
off

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Carhartt
Men's Short Sleeve Lightweight Plaid 2 Button Down Shirt

$24.99

up to
22%
off

Patagonia
Men's Go To Shirt

$55.00

20 Reviews

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Carhartt
Men's Fort Plaid Short Sleeve Shirt

$24.99 - $27.99

up to
18%
off

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Carhartt
Men's Lightweight Thermal Knit Crewneck Slim Shirt

$22.99 - $24.99

up to
18%
off

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Carhartt
Men's Sandstone Twill Shirt

$44.99 - $53.95

up to
18%
off

29 Reviews

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The North Face
Men's Pilot-Rock Polo

$44.95

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Mountain Khakis
Men's Oxbow Short Sleeve Shirt

$64.95

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Patagonia
Men's Short Sleeve A/C Shirt

$75.00

39 Reviews

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Patagonia
Men's Migration Hemp Shirt

$59.00

15 Reviews

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Carhartt
Men's Long Sleeve Lightweight Plaid Shirt - Diamond Pattern Pocket

$26.99

up to
23%
off

Fjallraven
Men's Duck Flannel Shirt

$58.79

up to
40%
off

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Carhartt
Men's Linwood Solid Chambray Shirt

$32.99 - $44.99

up to
40%
off

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Carhartt
Men's Fort Plaid Long-Sleeve Chambray Shirt

$25.19 - $37.99

up to
40%
off

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Quiksilver
Men's Centinela 2 Shirt

$39.59

up to
20%
off

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Patagonia
Men's Fezzman Shirt

$55.00

37 Reviews

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The North Face
Men's Esteros Polo

$49.95

1 Reviews

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Carhartt
Men's Saugatuck Short Sleeve Shirt

$34.99

up to
17%
off

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Carhartt
Men's Standish Plaid Short Sleeve Shirt

$34.99 - $39.99

up to
17%
off

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Icebreaker
Men's Tech Polo Shirt

$99.99

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Horny Toad
Men's Smythy Short Sleeve Shirt

$41.59

up to
20%
off

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Patagonia
Men's Three Trees Shirt

$75.00

15 Reviews

Carhartt
Men's Long Sleeve Flannel Plaid Shirt S250

$26.99

up to
25%
off

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Carhartt
Men's Long Sleeve Lightweight Plaid Shirt-123944

$26.99 - $34.95

up to
23%
off

2 Reviews

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Fjallraven
Men's Keb Lite Shirt

$48.99 - $58.79

up to
50%
off

Royal Robbins
Men's San Juan Long Sleeve Shirt

$35.99 - $59.95

up to
40%
off

2 Reviews

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Carhartt
Men's Lightweight Thermal Knit Henley Slim Shirt

$24.99 - $26.99

up to
17%
off

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Carhartt
Men's Chamois Long-Sleeve Shirt

$49.99 - $54.99

up to
17%
off

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The North Face
Men's Short Sleeve Horizon Peak Woven Shirt

$54.95

1 Reviews

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The North Face
Men's Short Sleeve Hypress Woven

$54.95

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The North Face
Men's Short Sleeve Horizon Polo

$54.95

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The North Face
Men's Hennepin Plaid Shirt

$74.95

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Burton
Men's Havoc Tech Flannel Shirt

$50.99

up to
40%
off

1 Reviews

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The North Face
Men's Long Sleeve Kinsley Shirt

$59.95

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The North Face
Men's Short Sleeve Spearton Shirt

$54.95

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Merrell
Men's Woodruff Crew Shirt

$39.95

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Merrell
Men's Woodruff Polo Shirt

$49.70 - $51.80

up to
10%
off

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Volcom
Men's Jake Crew

$44.99

up to
40%
off

Carhartt
Men's Bozeman Short Sleeve Shirt

$34.99 - $39.99

up to
17%
off

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Royal Robbins
Men's Piru Plaid Long Sleeve Shirt

$61.95

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Royal Robbins
Men's Performance Plaid Long Sleeve Shirt

$79.95 - $81.95

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Royal Robbins
Men's Coloma Cord Shirt

$40.79 - $68.00

up to
40%
off

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Patagonia
Men's Long-Sleeved Pima Cotton Shirt

$47.39

up to
40%
off

15 Reviews

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Carhartt
Men's Bozeman Long Sleeve Shirt-172387

$39.99

up to
17%
off

Carhartt
Men's Standish Solid Short Sleeve Shirt

$34.99 - $39.99

up to
17%
off

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Patagonia
Men's Puckerware Shirt

$69.00

9 Reviews

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Patagonia
Men's Long Sleeve A/C Steersman Shirt

$89.00

3 Reviews

O'Neill
Men's Richards Shirt

$37.19

up to
50%
off

O'Neill
Men's Redstone Shirt

$44.69

up to
40%
off

Prana
Men's Sherpa Crew

$40.79

up to
40%
off

10 Reviews

Patagonia
Men's Stretch Polo

$59.00

8 Reviews

Carhartt
Men's Long Sleeve Plaid Chambray Shirt

$29.99

up to
21%
off

Patagonia
Men's Long Sleeve Felted Shirt

$71.39

up to
40%
off

Royal Robbins
Men's Blackrock Plaid Long Sleeve Shirt

$37.19 - $61.95

up to
40%
off

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Carhartt
Men's Hickory Stripe Denim Shirt

$39.99 - $42.99

up to
17%
off

2 Reviews

Carhartt
Men's Textured-Knit Zip Mock Shirt

$36.99

up to
19%
off

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Carhartt
Men's Long-Sleeve Chambray Stripe Shirt

$34.99 - $37.99

up to
17%
off

Sort by: Name Discount Price

1, 2 Next >

I/O Bio Merino Men's Signature SS Crew Shirt:
Worn as a loose fitting base layer or solo with your favorite pair of jeans, the I/O Bio Merino Men's Signature SS Crew will keep you in all day comfort and style. With enough detail to stand apart and all of the moisture wicking, anti-microbial performance of wool, the short sleeve top will quickly become a go-to favorite. Versatile and lightweight, nothing compares to the I/O Bio Merino Signature SS Crew for men.

Fabric: Enigma, 96% I/O Bio Merino, 4% Elastane
Weight: 160g/m2

Person: