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Smartwool Clothing

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Products (282)

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SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Women's
$49.83 - $100.00
99 reviews with an average rating of 4.4 out of 5 stars
SmartwoolClassic All-Season Merino T-Shirt - Men's
$95.00
128 reviews with an average rating of 4.0 out of 5 stars
Top Rated
SmartwoolPerformance Hike Light Cushion Crew Socks - Women's
$6.83 - $25.00
184 reviews with an average rating of 4.8 out of 5 stars
SmartwoolClassic All-Season Merino T-Shirt - Women's
$95.00
93 reviews with an average rating of 4.2 out of 5 stars
SmartwoolMerino Sun Hoodie - Women's
$130.00
7 reviews with an average rating of 4.4 out of 5 stars
only at rei

The Sahara Shade Hoodie

Get adventure-grade sun protection, only at REI.
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SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's
$125.00
287 reviews with an average rating of 4.3 out of 5 stars
SmartwoolClassic All-Season Merino Base Layer Bottoms - Women's
$49.83 - $100.00
26 reviews with an average rating of 4.3 out of 5 stars
SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's
$59.83 - $150.00
139 reviews with an average rating of 4.3 out of 5 stars
Top Rated
SmartwoolPerformance Hike Light Cushion Crew Socks - Men's
$17.93 - $25.00
408 reviews with an average rating of 4.7 out of 5 stars
SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Men's
$150.00
35 reviews with an average rating of 4.3 out of 5 stars
Top Rated
SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Men's
$130.00
67 reviews with an average rating of 4.7 out of 5 stars
Top Rated
SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women's
$89.93 - $130.00
83 reviews with an average rating of 4.7 out of 5 stars
Top Rated
SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men's
$100.00
118 reviews with an average rating of 4.6 out of 5 stars
SmartwoolIntraknit AS Merino Base Layer Crew Top - Women's
$125.00
2 reviews with an average rating of 3.5 out of 5 stars
Top Rated
SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
$49.83 - $125.00
329 reviews with an average rating of 4.7 out of 5 stars
SmartwoolClassic Thermal Merino Crew Base Layer Top - Kids'
$44.73
Save 25% - 31%
compared to $60.00 - $65.00
7 reviews with an average rating of 3.9 out of 5 stars
REI OUTLET
SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Women's
$49.83 - $150.00
135 reviews with an average rating of 4.1 out of 5 stars
SmartwoolActive Crop Bra
$55.93
Save 25%
compared to $75.00
4 reviews with an average rating of 3.8 out of 5 stars
SmartwoolClassic Thermal Merino Colorblock Crew Base Layer Top - Men's
$96.73
Save 25%
compared to $130.00
2 reviews with an average rating of 5.0 out of 5 stars
REI OUTLET
Top Rated
SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
$84.73
Save 26%
compared to $115.00
325 reviews with an average rating of 4.7 out of 5 stars
REI OUTLET
Top Rated
SmartwoolClassic All Season Merino Long-Sleeve Base Layer Top - Men's
$66.73
Save 25%
compared to $90.00
118 reviews with an average rating of 4.6 out of 5 stars
REI OUTLET
Top Rated
SmartwoolPerformance Hike Full Cushion Crew Socks - Men's
$27.00
91 reviews with an average rating of 4.6 out of 5 stars
Top Rated
SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Women's
$89.73
Save 25%
compared to $120.00
83 reviews with an average rating of 4.7 out of 5 stars
REI OUTLET
Top Rated
SmartwoolPerformance Run Zero Cushion Ombre Print Low Ankle Socks - Women's
$18.00
30 reviews with an average rating of 4.9 out of 5 stars
Top Rated
SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Men's
$89.73
Save 25%
compared to $120.00
65 reviews with an average rating of 4.7 out of 5 stars
REI OUTLET
Top Rated
SmartwoolSmartloft Hybrid Jacket - Women's
$146.93
Save 30%
compared to $210.00
12 reviews with an average rating of 5.0 out of 5 stars
SmartwoolActive Ultralite T-Shirt - Men's
$70.00
26 reviews with an average rating of 3.5 out of 5 stars
Top Rated
SmartwoolClassic All-Season Merino Quarter-Zip Base Layer Top - Women's
$69.73
Save 26%
compared to $95.00
9 reviews with an average rating of 4.6 out of 5 stars
REI OUTLET
Top Rated
SmartwoolClassic All-Season Merino Quarter-Zip Base Layer Top - Men's
$105.00
11 reviews with an average rating of 4.7 out of 5 stars
Top Rated
SmartwoolActive Ultralite High Neck Tank Top - Women's
$65.00
9 reviews with an average rating of 5.0 out of 5 stars
Top Rated
SmartwoolPerformance Hike Targeted Cushion Ankle Socks - Men's
$23.00
49 reviews with an average rating of 4.8 out of 5 stars
Top Rated
SmartwoolActive Mesh Hoodie - Men's
$110.00
19 reviews with an average rating of 4.8 out of 5 stars
SmartwoolActive Fleece Jacket - Women's
$129.73
Save 27%
compared to $180.00
2 reviews with an average rating of 3.5 out of 5 stars
REI OUTLET
SmartwoolEveryday Hookset Crew Socks
$18.73
Save 21%
compared to $24.00
1 reviews with an average rating of 5.0 out of 5 stars
REI OUTLET
Top Rated
SmartwoolPerformance Run Targeted Cushion Ankle Socks - Men's
$21.00
95 reviews with an average rating of 4.7 out of 5 stars
Top Rated
SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
$125.00
451 reviews with an average rating of 4.7 out of 5 stars
SmartwoolHike Targeted Cushion Mountain Myth Print Crew Socks - Men's
$25.00
1 reviews with an average rating of 5.0 out of 5 stars
Top Rated
SmartwoolHike Targeted Cushion Crew Socks - Men's
$17.93 - $25.00
5 reviews with an average rating of 4.6 out of 5 stars
SmartwoolActive Fleece Wind Pants - Women's
$129.73
Save 27%
compared to $180.00
0 reviews
REI OUTLET
SmartwoolActive Ultralite Crop Tank Top - Women's
$65.00
5 reviews with an average rating of 4.2 out of 5 stars
SmartwoolActive T-Shirt - Men's
$75.00
3 reviews with an average rating of 5.0 out of 5 stars
Top Rated
SmartwoolLiner Gloves
$28.00
132 reviews with an average rating of 4.5 out of 5 stars
SmartwoolActive Fleece Hinged Balaclava
$34.73
Save 22%
compared to $45.00
0 reviews
REI OUTLET
Top Rated
SmartwoolClassic Hike Full Cushion Crew Socks - Men's
$23.00
112 reviews with an average rating of 4.5 out of 5 stars
SmartwoolAnchor Line Shirt Jacket - Men's
$164.73
Save 25%
compared to $220.00
2 reviews with an average rating of 4.0 out of 5 stars
REI OUTLET
SmartwoolClassic All-Season Merino Base Layer Bottoms - Men's
$100.00
30 reviews with an average rating of 4.3 out of 5 stars
Top Rated
SmartwoolEveryday Anchor Line Crew Socks - Men's
$22.00
93 reviews with an average rating of 4.5 out of 5 stars
SmartwoolClassic Thermal Merino Half-Zip Base Layer Hoodie - Women's
$108.73
Save 25%
compared to $145.00
1 reviews with an average rating of 5.0 out of 5 stars
REI OUTLET
SmartwoolThermal Merino Gloves
$19.83 - $40.00
251 reviews with an average rating of 3.6 out of 5 stars
Top Rated
SmartwoolPerformance Hike Targeted Cushion Mid Crew Socks - Women's
$23.00 - $25.00
37 reviews with an average rating of 4.7 out of 5 stars
Top Rated
SmartwoolPerformance Run Zero Cushion Low Ankle Socks - Women's
$18.00
57 reviews with an average rating of 4.8 out of 5 stars
Top Rated
SmartwoolPerformance Run Targeted Cushion Low Ankle Socks - Men's
$19.00
124 reviews with an average rating of 4.6 out of 5 stars
SmartwoolActive Long-Sleeve Shirt - Women's
$62.73
Save 26%
compared to $85.00
0 reviews
REI OUTLET
Top Rated
SmartwoolPerformance Run Targeted Cushion Low Ankle Socks - Women's
$19.00
155 reviews with an average rating of 4.8 out of 5 stars
Top Rated
SmartwoolTrail Run Targeted Cushion Mountain Print Crew Socks - Women's
$28.00
6 reviews with an average rating of 5.0 out of 5 stars
Top Rated
SmartwoolHike Light Cushion Ankle Socks - Women's
$22.00 - $23.00
42 reviews with an average rating of 4.6 out of 5 stars
Top Rated
SmartwoolActive Fleece Wind Half-Zip - Women's
$129.73
Save 25%
compared to $175.00
7 reviews with an average rating of 4.7 out of 5 stars
REI OUTLET
SmartwoolIntraknit Racerback Bra
$80.00
2 reviews with an average rating of 4.5 out of 5 stars
SmartwoolActive Mesh Hoodie - Women's
$110.00
4 reviews with an average rating of 4.0 out of 5 stars
SmartwoolActive 4" Hike Shorts - Women's
$46.73
Save 28%
compared to $65.00
7 reviews with an average rating of 4.3 out of 5 stars
REI OUTLET
SmartwoolActive Lined 7" Shorts - Men's
$88.00
7 reviews with an average rating of 3.9 out of 5 stars
Top Rated
SmartwoolPerformance Hike Targeted Cushion Ankle Socks - Women's
$21.00 - $23.00
40 reviews with an average rating of 5.0 out of 5 stars
SmartwoolClassic Thermal Merino Base Layer Hoodie - Men's
$108.73
Save 25%
compared to $145.00
4 reviews with an average rating of 5.0 out of 5 stars
REI OUTLET
Top Rated
SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's Plus Sizes
$49.83 - $125.00
20 reviews with an average rating of 4.5 out of 5 stars
SmartwoolActive Ultralite Hoodie - Women's
$62.73
Save 26%
compared to $85.00
20 reviews with an average rating of 3.9 out of 5 stars
REI OUTLET
SmartwoolMerino Beanie
$25.00
52 reviews with an average rating of 4.3 out of 5 stars
SmartwoolActive Ultralite T-Shirt - Women's
$70.00
32 reviews with an average rating of 3.8 out of 5 stars
SmartwoolWaffle Long-Sleeve Henley - Men's
$81.73
Save 25%
compared to $110.00
2 reviews with an average rating of 3.5 out of 5 stars
REI OUTLET
SmartwoolEveryday Button-Down Shirt - Men's
$85.00
1 reviews with an average rating of 5.0 out of 5 stars
Top Rated
SmartwoolClassic Thermal Merino Base Layer Bottoms - Men's
$125.00
221 reviews with an average rating of 4.5 out of 5 stars
SmartwoolBike Zero Cushion Aloha Forest Print Crew Socks
$16.73
Save 27%
compared to $23.00
4 reviews with an average rating of 2.5 out of 5 stars
REI OUTLET
Top Rated
SmartwoolClassic Hike Extra Cushion Crew Socks
$25.00
119 reviews with an average rating of 4.5 out of 5 stars
Top Rated
SmartwoolMerino Neck Gaiter
$30.00
12 reviews with an average rating of 4.6 out of 5 stars
SmartwoolKnit Mitt Mittens
$19.73
Save 29%
compared to $28.00
3 reviews with an average rating of 4.0 out of 5 stars
REI OUTLET
Top Rated
SmartwoolThermal Merino Reversible Cuffed Beanie
$24.73
Save 29%
compared to $35.00
324 reviews with an average rating of 4.7 out of 5 stars
REI OUTLET
SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Kids'
$49.73
Save 28%
compared to $70.00
0 reviews
REI OUTLET
SmartwoolClassic Thermal Merino Base Layer Bottoms - Kids'
$48.73
Save 25%
compared to $65.00
1 reviews with an average rating of 5.0 out of 5 stars
REI OUTLET
Top Rated
SmartwoolClassic Mountaineer Maximum Cushion Crew Socks
$27.00
156 reviews with an average rating of 4.6 out of 5 stars
SmartwoolPerformance Run Zero Cushion Low Ankle Socks - Men's
$18.00
85 reviews with an average rating of 4.4 out of 5 stars
SmartwoolHike Crew Socks - Women's
$25.00
5 reviews with an average rating of 4.2 out of 5 stars
SmartwoolEveryday Margarita/Stitch Stripe Crew Socks - Women's - 2 Pairs
$29.73
Save 29%
compared to $42.00
2 reviews with an average rating of 5.0 out of 5 stars
REI OUTLET
Top Rated
SmartwoolPerformance Hike Targeted Cushion Mid Crew Socks - Men's
$25.00
34 reviews with an average rating of 4.8 out of 5 stars
Top Rated
SmartwoolBike Zero Cushion Print Ankle Socks - Women's
$20.00
10 reviews with an average rating of 4.9 out of 5 stars
SmartwoolMountain Sunrise Active T-Sheet - Men's
$55.73
Save 25%
compared to $75.00
1 reviews with an average rating of 2.0 out of 5 stars
REI OUTLET
Top Rated
SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
$81.73 - $84.73
Save 26% - 28%
compared to $115.00
451 reviews with an average rating of 4.7 out of 5 stars
REI OUTLET
SmartwoolActive Lined 4" Shorts - Women's
$55.93 - $75.00
1 reviews with an average rating of 5.0 out of 5 stars
SmartwoolTrail Run Targeted Cushion Triangle Prism Print Crew Socks - Women's
$21.73
Save 22%
compared to $28.00
1 reviews with an average rating of 2.0 out of 5 stars
REI OUTLET
Top Rated
SmartwoolSki Full Cushion Snowpocalypse OTC Socks - Women's
$22.73
Save 26%
compared to $31.00
8 reviews with an average rating of 4.5 out of 5 stars
REI OUTLET
SmartwoolMerino T-Shirt - Men's
$59.73
Save 25%
compared to $80.00
123 reviews with an average rating of 4.0 out of 5 stars
REI OUTLET
Top Rated
SmartwoolBike Zero Cushion Ankle Socks - Women's
$20.00
17 reviews with an average rating of 4.5 out of 5 stars

1–90 of 282 products

Sort: Best Match

Related Expert Advice articles

Choose a fabric type

Wool: Stays warm when wet, resists odor and wicks moisture
Synthetic (nylon, polyester or acrylic): Ideal for sensitive skin, trap warmth and wick moisture.

How much cushioning do you want?

No cushioning: Best for tighter-fitting performance boots that have a tighter fit or maximum ground feel
Light cushioning: Shin padding with minimal cushioning on the balls of the feet, often with reinforced toes and heels
Medium cushioning: Added padding for warmth and impact absorption; ideal for cold conditions or looser-fitting boots

Length

Knee high: Most socks for skiing and snowboarding go up to the knees to help protect from shin bang
Crew: Cross-country skiers and snowshoers may prefer shorter hiking socks

Read full article: How to Choose Ski and Snowboard Socks

Select your sock height

No-show: Minimal protection; best with low-cut footwear like trail-running or light hiking shoes
Ankle: Covers your ankle bone; best for low- to mid-cut shoes and boots
Crew: Extends above ankle; good for boots or shoes
Knee-high: Provides warmth and protection against high-cut boots

Choose your preferred cushioning level

None: Ultralight; ideal for hot weather or as sock liners
Light: Thin cushioning; better for warm conditions
Medium: Targeted cushioning in the heel and ball; ideal for moderate to cold conditions
Heavy: Thickest and most cushioned; best for long trips, rugged terrain and cold

Select a fabric

Choose moisture-wicking, quick-drying materials like wool, polyester or nylon
Spandex adds stretch to prevent bunching
Cotton isn't recommended as it absorbs moisture and dries slowly

Find your fit

Choose based on your foot size, not shoe size.
If you're between sizes, size down to avoid excess material that can bunch up and cause blisters.
Socks should feel snug but not tight, and the sock's heel cup should naturally line up with your heel.

Read full article: How to Choose Hiking Socks

Fabrics

Synthetic: moisture-wicking, quick drying, durable, but can hold on to odor
Wool: moisture-wicking, odor-resistant, cooling in warm weather, can be less durable

Styles

Bikini: less rear coverage, thinner waistband, higher-cut leg
Briefs (women's): full-cut briefs offer more coverage in front and back; hipsters offer medium front coverage and back with higher rise
Briefs (men's): close fit and good support, but less thigh coverage
Boxer brief or boy shorts: snug fit, good coverage, longer cut extends down to the upper thigh
Boxers: looser fit, added coverage can prevent chafing but prone to bunching
Thongs: lightweight and quick-drying but provide the least coverage
Sports bras: compression and support during high-output activities like hiking and running

Read full article: How to Choose Hiking Underwear

Which material is best?

Wool: highly moisture-wicking and odor-resistant
Synthetic: durable and less expensive
Silk: soft and lightweight for casual activities

Match the temp to the trek

Lightweight layers: best for moderate to cool temperatures
Midweight layers: best for cold temperatures
Heavyweight layers: best for below-freezing temperatures

Find your fit

Must be close to skin to efficiently wick sweat; should fit comfortably snug
Base layer is for moisture control; your mid layer is for warmth

Read full article: How to Choose Base Layers

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