Seadon® Women's Merino SF100 Long Sleeve Tee | Graphic - Snow Peak Blue

Merino SF100 Long Sleeve | Graphic

Snow Peak Blue / XS

$120
$120

✓ Extended Free Returns
✓ Free Returns Within 60 Days

✓ Extended Free Returns ✓ Free Returns Within 60 Days
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Seadon® Women's Merino SF100 Long Sleeve Tee | Graphic - Snow Peak Blue
  • Seadon® Women's Merino SF100 Long Sleeve Tee | Graphic - Snow Peak Blue
  • Seadon® Women's Merino SF100 Long Sleeve Tee | Graphic - Snow Peak Blue
  • Seadon® Women's Merino SF100 Long Sleeve Tee | Graphic - Snow Peak Blue
  • Seadon® Women's Merino SF100 Long Sleeve Tee | Graphic - Snow Peak Blue
  • Seadon® Women's Merino SF100 Long Sleeve Tee | Graphic - Snow Peak Blue
  • Seadon® Women's Merino SF100 Long Sleeve Tee | Graphic - Snow Peak Blue

Merino SF100 Long Sleeve | Graphic

$120
$120
Rated 4.6 out of 5
Based on 120 reviews

Find my size

How it works?

For this item, you can order your usual size. If it doesn't fit, you can exchange it.

Unsure about something? Email support@seadon.co and let us help you find your perfect fit.

MeasurementXSSMLXLXXL
AChest Width 42.5 16.745.0 17.747.5 18.750.0 19.753.0 20.956.0 22.0
BBottom Opening 44.5 17.547.0 18.549.5 19.552.0 20.555.0 21.758.0 22.8
CFront Body Length 61.0 24.063.0 24.865.0 25.667.0 26.469.0 27.271.0 28.0
DNeck Width Collar 17.5 6.918.0 7.118.5 7.319.0 7.519.5 7.720.0 7.9
EFront Neck Drop 8.5 3.39.0 3.59.5 3.710.0 3.910.5 4.111.0 4.3
FSleeve Length 60.0 23.661.0 24.062.0 24.463.0 24.864.0 25.265.0 25.6
GWidth Of Shoulders 33.0 13.035.0 13.837.0 14.639.0 15.441.0 16.143.0 16.9

The values are given in cm The values are given in inch

Women's Merino Wool Long Sleeves Tee

Free Shipping Available

Shipping Rates & Delivery

Free shipping is available to select destinations. Rates and minimum order values vary by country.

United States (Mainland)
Shipping: US$10
Free shipping on orders US$100+

Canada
Shipping: US$15
Free shipping on orders US$175+

United Kingdom
Shipping: US$12
Free shipping on orders US$150+

European Union
Shipping rates vary by country.
Free shipping from US$100+

Important: Some products ship from our Hong Kong warehouse. Import duties, VAT and customs handling fees may apply and are payable by the customer upon delivery.

Australia
Shipping: US$14
Free shipping on orders US$150+

Selected Asian Countries
Shipping: US$4–9 
Free shipping on orders US$100+

Hong Kong, China, Singapore, Taiwan, Thailand and Vietnam.

Rest of World

Shipping rates:

  • Orders under US$150: US$38
  • Orders US$150–249.99: US$24
  • Orders US$250+: US$14

Free shipping is not available.

Delivery Estimates

  • Asia: 2–6 business days
  • EU & UK: 7–14 business days
  • Middle East: 10–15 business days
  • Oceania: 10–15 business days
  • US & Canada: 2–7 business days

All thresholds are shown in USD and are based on your order value after discounts. Final shipping rates are calculated at checkout. Delivery estimates may vary by destination, fulfillment warehouse and customs clearance. Import duties and taxes may apply to international shipments.

See more in the FAQ

No Stress Return Policy

BLACK FRIDAY. NO-STRESS RETURNS.

Great deals. No second-guessing.

35 DAYS TO RETURN

Changed your mind or picked the wrong size? Eligible items can be returned within 35 days of delivery.

EASY SIZE EXCHANGES

Need a different size? Your first US size exchange is on us, subject to availability.

BUYING A HOLIDAY GIFT?

Orders placed November 15–30 qualify for extended size exchanges until January 7, 2027.

WHAT ABOUT BUNDLES?

You can exchange sizes without losing your Black Friday deal. Partial returns may result in your bundle 

discount being recalculated.

FINAL SALE ITEMS

Selected clearance items are final sale and aren't eligible for change-of-mind returns or exchanges. Your statutory rights remain unaffected.

See our full return policy in the FAQ

Questions? Chat with us live or email support@seadon.co
Features
  • 100% natural fabric with an ultrasoft hand feel
  • Stay cool in summer and warm in winter.
  • Stays fresh for up to 7 days (or more!)
  • Water + Wrinkle resistant
  • Naturally antimicrobial
  • Ultralight, moisture wicking, and quick dry
  • Back neck hanging loop
  • Tagless neck print to avoid those itchy neck labels
  • Sun protection (UPF 30+)
Materials
  • 100% Superfine RWS certified Merino Wool (18.5 microns)
  • 150 g (5.29 oz) high-stretch rib jersey
  • Machine wash cold (gentle cycle). Tumble dry low (if needed). Use wool detergent and line dry as recommended.
Environmental
  • Responsibly sourced RWS-certified Merino Wool.
  • 100% natural fiber
  • 1% of sales made from this product gets donated back to nonprofits
  • Made responsibly in China
  • We are a Climate Neutral Company (climateneutral.org/brand/seadon)

Feel the Difference

Feel the Difference
1 Thermoregulating Rib Jersey

150g high-stretch rib jersey that adapts to temperature: cool in summer, warm in winter.
2 7-Day Odor Resistance

Naturally antimicrobial fibers keep it fresh for 7+ days of continuous wear without washing.
3 Natural Water & Wrinkle Shield

Wool’s natural elasticity resists wrinkles and sheds water on misty days.
4 100% Superfine Merino Wool

Ultra-soft 18.5-micron RWS-certified Merino wool, 100% natural and biodegradable.
5 Himalaya-Tested Endurance

Field-tested for 25 consecutive days in the Himalayas: resilient, lightweight comfort.
6 Tagless Comfort & Sun Shield

Tagless neck for zero itch, back-neck loop for quick drying, plus natural UPF 30+ coverage.

FOR MULTI-DAY ADVENTURES

TESTED 25 DAYS STRAIGHT IN THE HIMALAYAS

Made from 100% RWS-certified superfine Merino wool, SF100 combines natural warmth, breathability and odor resistance in one lightweight layer. Field-tested through 25 consecutive days in the Himalayas, it’s built for adventure far beyond the ordinary.

Himalayan Tested

Himalayan Tested

Worn for 25 days straight in the Himalayas. The more you wear it, the better it gets.

Ultrasoft Superfine Wool

Ultrasoft Superfine Wool

18.5-micron 100% Merino wool with an ultrasoft hand feel — no itch, all comfort.

7+ Days Fresh

7+ Days Fresh

Naturally antimicrobial and odor-resistant. Stays fresh for a week or more without washing.

All-Season Thermoregulation

All-Season Thermoregulation

Stay cool in summer and warm in winter with natural moisture-wicking and quick-dry performance.

Environmental and social impact
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We donate 1% to nonprofit the planet.

View our Actions

We protect ocean ecosystems with Seatrees.

Explore
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We choose low-impact, recycled materials.

Explore

We design minimal, waste-reducing packaging.

Read our Commitment

They love the brand

Follow us on instagram @seadon.co

Free Shipping

Shipping Rates & Delivery

Free shipping is available to select destinations. Rates and minimum order values vary by country.

United States (Mainland)
Shipping: US$10
Free shipping on orders US$100+

Canada
Shipping: US$15
Free shipping on orders US$175+

United Kingdom
Shipping: US$12
Free shipping on orders US$150+

European Union
Shipping rates vary by country.
Free shipping from US$100+

Important: Some products ship from our Hong Kong warehouse. Import duties, VAT and customs handling fees may apply and are payable by the customer upon delivery.

Australia
Shipping: US$14
Free shipping on orders US$150+

Selected Asian Countries
Shipping: US$4–9 
Free shipping on orders US$100+

Hong Kong, China, Singapore, Taiwan, Thailand and Vietnam.

Rest of World

Shipping rates:

  • Orders under US$150: US$38
  • Orders US$150–249.99: US$24
  • Orders US$250+: US$14

Free shipping is not available.

Delivery Estimates

  • Asia: 2–6 business days
  • EU & UK: 7–14 business days
  • Middle East: 10–15 business days
  • Oceania: 10–15 business days
  • US & Canada: 2–7 business days

All thresholds are shown in USD and are based on your order value after discounts. Final shipping rates are calculated at checkout. Delivery estimates may vary by destination, fulfillment warehouse and customs clearance. Import duties and taxes may apply to international shipments.

Free Returns Within 60 Days

BLACK FRIDAY. NO-STRESS RETURNS.

Great deals. No second-guessing.

35 DAYS TO RETURN

Changed your mind or picked the wrong size? Eligible items can be returned within 35 days of delivery.

EASY SIZE EXCHANGES

Need a different size? Your first US size exchange is on us, subject to availability.

BUYING A HOLIDAY GIFT?

Orders placed November 15–30 qualify for extended size exchanges until January 7, 2027.

WHAT ABOUT BUNDLES?

You can exchange sizes without losing your Black Friday deal. Partial returns may result in your bundle 

discount being recalculated.

FINAL SALE ITEMS

Selected clearance items are final sale and aren't eligible for change-of-mind returns or exchanges. Your statutory rights remain unaffected.
Write a Review
average rating 4.6 out of 5
Based on 120 reviews
  • 5 Stars
    94 Reviews
  • 4 Stars
    14 Reviews
  • 3 Stars
    8 Reviews
  • 2 Stars
    2 Reviews
  • 1 Star
    2 Reviews
90% of reviewers would recommend this product to a friend
Fabric
Rated 4 out of 5
Quality
Rated 4 out of 5
Sizing
Rated 0 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Big
Customer photos and videos
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120 Reviews
Reviewed by Angele E. O.
Verified Buyer
Seadon® Women's Merino SF100 Long Sleeve Tee - Nightshadow Blue
Reviewing
Seadon® Women's Merino SF100 Long Sleeve Tee - Nightshadow Blue
I recommend this product
Size Purchased
XXL
Rated 5 out of 5
Review posted

Perfect

Perfect shirt for my Northern Texas weather. Our weather changes constantly, so this shirt is great for regulating temperatures.

Loading...
Fabric
Rated 5 out of 5
Quality
Rated 5 out of 5
Sizing
Rated -1 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Big
Was this helpful?
Reviewed by Angele E. O.
Verified Buyer
Seadon® Women's Merino SF100 Long Sleeve Tee - Jungle Green
Reviewing
Seadon® Women's Merino SF100 Long Sleeve Tee - Jungle Green
I recommend this product
Size Purchased
XXL
Rated 5 out of 5
Review posted

Perfect

Perfect shirt for my Northern Texas weather. Our weather changes constantly, so this shirt is great for regulating temperatures.

Loading...
Fabric
Rated 5 out of 5
Quality
Rated 5 out of 5
Sizing
Rated -1 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Big
Was this helpful?
Reviewed by KC
Verified Buyer
Seadon® Women's Merino SF100 Long Sleeve Tee - Nightshadow Blue
Reviewing
Seadon® Women's Merino SF100 Long Sleeve Tee - Nightshadow Blue
I recommend this product
Size Purchased
XXL
Rated 4 out of 5
Review posted

Thin fabric, but soft

The fabric is soft, but thin - can see through it.

Loading...
Fabric
Rated 4 out of 5
Quality
Rated 4 out of 5
Sizing
Rated 0 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Big
Was this helpful?
Reviewed by Todd E.
Verified Buyer
Seadon® Women's Merino SF100 Long Sleeve Tee - Nightshadow Blue
Reviewing
Seadon® Women's Merino SF100 Long Sleeve Tee - Nightshadow Blue
I recommend this product
Size Purchased
L
Rated 5 out of 5
Review posted

Excellent fit and quality.

These shirts are really great quality and sizing.

Loading...
Fabric
Rated 5 out of 5
Quality
Rated 5 out of 5
Sizing
Rated 0 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Big
Was this helpful?
Reviewed by Jacqueline S.
Verified Buyer
Seadon® Women's Merino SF100 Long Sleeve Tee - Jungle Green
Reviewing
Seadon® Women's Merino SF100 Long Sleeve Tee - Jungle Green
I recommend this product
Size Purchased
L
Rated 5 out of 5
Review posted

Starting off great!

Grabbed these to start acquiring base layers for a trip to Antarctica, so far they are working great! Nice, soft base layer. Keeping me warm so far! Excited to also try these out in the spring.

Also for those with long arms…THESE ARE ACTUALLY LONG ENOUGH! Goes to the base of my thumb which is insane for me! Covered wrists is wild!

Loading...
Fabric
Rated 5 out of 5
Quality
Rated 4 out of 5
Sizing
Rated 0 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Big
Was this helpful?

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