Name: Merino 250 Base Layer Crew
Brand: Smartwool
SKU: 9395538
Price: 115.00 USD
Availability: InStock
Rating: 5 (745 reviews)

Men's Smartwool Merino 250 Base Layer Crew | Zappos.com

Reviews

5.0

(745)

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Customers Say

Customers find this base layer provides warmth without bulk, particularly suitable for cold weather running and SoCal winter conditions. The shirt is comfortable, not itchy, and features high-quality merino wool with a form-fitting design. Customers appreciate its soft, silky smooth feel and versatility for various outdoor activities, with one customer noting it's especially good for backpacking and skiing. They like its appearance and consider it a great base layer, with one mentioning it works well under waders.

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Overall

Reviewed at Vanity Fair Corp SmartWool LLC

I gave this base layer a good trial today. Walked approx. 5-6 miles in 30- 40 degree F weather. I had a Smartwool medium weight sweater on top of this base layer, and a light jacket over the two. As you can see by the pictures, the base layer collected and held quite a bit of perspiration. I was not running, only briskly walking on the trail which is for the most part flat. I like the fit and feel of this, but am a little disappointed by the dampness that it retained. Had I stopped for any length of time, perhaps a chill would have set in. It really would not be a good choice for vigorous workout, only an activity that is more sedentary. It is a nice underlayer for casual wear.

Robert S, January 20, 2021

3 Found this review helpful.

Overall

Reviewed at Vanity Fair Corp SmartWool LLC

#sweepstakes. This base layer is a great color and perfect fit.

Audrey, October 22, 2021

2 Found this review helpful.

Overall

Reviewed at Vanity Fair Corp SmartWool LLC

I bought this crew 250 base layer to primarily wear on a March snowboarding trip to Vail, but also to serve on early summer hiking trips, as well as to wear around the house on cold days. The base layer worked well across a wide range of temps while I was at Vail. On +5F cold temps paired with a mid layer zip up and snowboarding jacket and +55F warm temps paired with a light softshell, this base layer performed spectacularly. Breathed well, managed sweat well on heavy output runs, and left a 5 day trip (worn every day) completely stink free. Another big plus is that it looks acceptable enough on surprise video calls (you know, when your boss randomly says "Hey can you chat real quick?" and you have to follow-suit and turn on your camera?...) during WFH. Can't wait to put it through it's paces further on the trail and mountains this spring and fall. The only slight complaint that I have it is just slightly oversized in the sleeves and general fit (for a base layer). Not too big of a deal, but the wool fabric gets stretched out a little bit after the first wear too, however I have read that it bounces back after the rare wash.

Paul, H, March 10, 2021

2 Found this review helpful.

Overall

Reviewed at Smartwool, a division of VF Outdoor, LLC

Incentivized Review

Best product on market

David, January 10, 2025

1 Found this review helpful.

Overall

Reviewed at Smartwool, a division of VF Outdoor, LLC

I bought this as a layering system for cycling and to try and minimize winter bulk. This base layer keeps me warm without overheating my body. Want to get one for around the house.

Dan, February 26, 2026

0 Found this review helpful.

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Overall

Reviewed at Vanity Fair Corp SmartWool LLC

Robert S, January 20, 2021

3 Found this review helpful.

Overall

Reviewed at Vanity Fair Corp SmartWool LLC

#sweepstakes. This base layer is a great color and perfect fit.

Audrey, October 22, 2021

2 Found this review helpful.

Overall

Reviewed at Vanity Fair Corp SmartWool LLC

Paul, H, March 10, 2021

2 Found this review helpful.

Overall

Reviewed at Smartwool, a division of VF Outdoor, LLC

Incentivized Review

Best product on market

David, January 10, 2025

1 Found this review helpful.

Overall

Reviewed at Smartwool, a division of VF Outdoor, LLC

I bought this as a layering system for cycling and to try and minimize winter bulk. This base layer keeps me warm without overheating my body. Want to get one for around the house.

Dan, February 26, 2026

0 Found this review helpful.

Read Additional 740 Customer Reviews

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