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Clothing
Hiking Clothing

Long Sleeve Hiking Clothing

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Top Rated
REI Co-opSahara Shade Hoodie - Men's
$20.93 - $59.95
1189 reviews with an average rating of 4.6 out of 5 stars
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Top Rated
REI Co-opSahara Shade Hoodie - Women's
$29.83
Save 50%
compared to $59.95
1386 reviews with an average rating of 4.5 out of 5 stars
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Top Rated
SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
$79.97 - $86.97
Save 30%
compared to $115.00 - $125.00
1557 reviews with an average rating of 4.8 out of 5 stars
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REI OUTLET
Top Rated
REI Co-opActive Pursuits Long-Sleeve T-Shirt - Women's
$39.95
80 reviews with an average rating of 4.6 out of 5 stars
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Top Rated
REI Co-opMerino 185 Long-Sleeve Crew Base Layer Top - Men's
$84.95
5 reviews with an average rating of 4.6 out of 5 stars
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Top Rated
SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women's
$89.93 - $130.00
1090 reviews with an average rating of 4.7 out of 5 stars
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PatagoniaLightweight Synchilla Snap-T Fleece Pullover - Men's
$68.73 - $82.73
Save 40% - 50%
compared to $139.00
96 reviews with an average rating of 4.3 out of 5 stars
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REI OUTLET
Top Rated
PatagoniaCapilene Cool Daily Hoody - Women's
$34.43 - $69.00
7 reviews with an average rating of 5.0 out of 5 stars
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Top Rated
REI Co-opActive Pursuits Long-Sleeve T-Shirt - Men's
$39.95
160 reviews with an average rating of 4.7 out of 5 stars
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Top Rated
REI Co-opSahara Shade Regular-Fit Hoodie - Men's
$59.95
28 reviews with an average rating of 4.6 out of 5 stars
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Top Rated
SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
$125.00
1115 reviews with an average rating of 4.8 out of 5 stars
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Top Rated
REI Co-opActive Pursuits Long-Sleeve Quarter-Zip Pullover - Men's
$27.43 - $54.95
66 reviews with an average rating of 4.5 out of 5 stars
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REI Co-opMerino 185 Long-Sleeve Crew Base Layer Top - Women's
$84.95
4 reviews with an average rating of 3.8 out of 5 stars
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Top Rated
SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
$125.00
1540 reviews with an average rating of 4.8 out of 5 stars
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Top Rated
PatagoniaCapilene Cool Trail Long-Sleeve Shirt - Women's
$40.93 - $59.00
5 reviews with an average rating of 4.6 out of 5 stars
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Top Rated
REI Co-opMidweight Base Layer Crew Top - Kids'
$34.95
9 reviews with an average rating of 4.9 out of 5 stars
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Top Rated
ColumbiaTimber Meadow MTR Fleece Half-Zip - Women's
$60.00
53 reviews with an average rating of 4.5 out of 5 stars
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PatagoniaRetro Pile Marsupial Fleece - Women's
$159.00
1 reviews with an average rating of 5.0 out of 5 stars
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REI Co-opSahara Shade Long-Sleeve T-Shirt - Women's
$36.93 - $49.95
58 reviews with an average rating of 4.4 out of 5 stars
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REI Co-opScreeline Alpha Hoodie - Men's
$99.95
7 reviews with an average rating of 4.0 out of 5 stars
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REI Co-opSahara Shade Straight-Hem Hoodie - Women's
$59.95
59 reviews with an average rating of 4.4 out of 5 stars
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Top Rated
PatagoniaLightweight Synchilla Snap-T Fleece Pullover - Women's
$149.00
292 reviews with an average rating of 4.5 out of 5 stars
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Top Rated
REI Co-opMidweight Long-Sleeve Crew Base Layer Top - Men's
$64.95
8 reviews with an average rating of 4.6 out of 5 stars
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Top Rated
SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Women's
$89.97
Save 30%
compared to $130.00
1100 reviews with an average rating of 4.7 out of 5 stars
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REI OUTLET
SENIQWool Sculpt Merino Mock-Neck Long-Sleeve Base Layer Shirt - Women's
$128.00
8 reviews with an average rating of 4.1 out of 5 stars
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Top Rated
Arc'teryxRho LT Crew Neck Base Layer Top - Men's
$100.00
64 reviews with an average rating of 4.8 out of 5 stars
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SmartwoolIntraknit Thermal Merino Base Layer Quarter-Zip Top - Men's
$104.73
Save 25%
compared to $140.00
22 reviews with an average rating of 4.4 out of 5 stars
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REI OUTLET
PatagoniaLightweight Synchilla Snap-T Fleece Pullover - Men's
$149.00
96 reviews with an average rating of 4.3 out of 5 stars
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Top Rated
REI Co-opMerino 185 Half-Zip Base Layer Top - Women's
$89.95
9 reviews with an average rating of 4.7 out of 5 stars
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Only at REI
ColumbiaStonefall Cliff Half-Zip Top - Women's
$70.00
10 reviews with an average rating of 4.3 out of 5 stars
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Sort: Best Match

Related Expert Advice articles

A guide to merino wool, including where it comes from, what it's used for, its benefits as a material for outdoor apparel and more.

Read full article: What Is Merino Wool?

With proper cleaning and care, your hiking boots will last you for many years and many miles along the trail.

Read full article: How to Clean Hiking Boots

Learn how to break in a new pair of hiking boots so you can maximize your comfort along the trail.

Read full article: How to Break in Your Hiking Boots

Which insulation do you prefer?

Down: Ultralight, warm and packable; loses insulation when damp
Synthetic: Insulates when damp, dries quickly; heavier and less packable than down
Down/synthetic: Warm in targeted spots; warm when wet but heavier than pure down

Consider these features

Waterproof: Most are water-resistant; choose waterproof for added protection
Ventilation: Pit zips or core vents help release heat during high-exertion activities
Hoods: Some detach or accommodate helmets
3-in-1 jackets: Outer shell and insulated midlayer zip together; wear separately or as one
Pockets: Stash gear, secure valuables

Read full article: How to Choose Insulated Jackets

Learn how to tell when your hiking boots' durable water repellent (DWR) needs renewing and how you can restore their waterproof performance.

Read full article: How to Waterproof Hiking Boots

REI experts share their favorite down jackets and synthetic insulated jackets for casual wear, hiking, snowsports and more. Read on for our top picks for down jackets and synthetic jackets from Arc'teryx, REI Co-op, Patagonia and more.

Read full article: The 10 Best Insulated Jackets of 2026: Staff Picks

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