men's black Smartwool long underwear pants
man wearing base layers

Smartwool Classic Thermal Merino Base Layer 3/4 Bottom - Men's - 25/26

Regular price$105.00
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Shipping calculated at checkout.

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  • Low stock - 1 item left
  • Backordered, shipping soon

Designed for optimal layering, the Smartwool Classic Thermal Merino Base Layer 3/4 Bottom uses 100% responsibly sourced Merino wool to deliver superior breathability and comfort. Its updated fit minimizes sag and excess fabric, effectively reducing bulk and friction inside ski boots, hiking boots, or running shoes. This base layer keeps you dry and comfortable during intense outdoor activities, making it an essential piece for performance-focused layering systems.

  • The slim fit is intended to follow the contours of the body
  • Fabric helps combine the moisture management, temperature regulation, and odor resistance of 100% Merino wool with interlock knit for comfort
  • Flatlock seam construction designed to help increase comfort and minimize chafing
  • Fully functional fly
  • Merino-lined elastic waistband designed for comfort
  • 100% Merino next to skin
  • Size medium inseam: 21.5" (55 cm)
  • Made in Vietnam: 100% Merino Wool. Exclusive of Decoration.

Economy Shipping

  • FREE on orders $250.00 and up
  • $10.00 for orders under $250.00
  • Delivery: 5-8 business days

Express Shipping

  • $95.00
  • Delivery: 1-2 business days

We're committed to getting your order to you quickly and safely. All orders are carefully packaged and shipped from our fulfillment center.

Shipping to the West Coast and remote areas may take longer. We are not responsible for shipping carrier or weather delays.

In Store Purchases:

Due to the seasonal nature of our business, our return policy is 30 days from purchase date, refunded in the form of store credit.   All clearance items are final sale. Thank you for shopping local!

Online Purchases:

New, unused products, with tags still attached must be returned within 20 days of the date of delivery for a full refund of original purchase price. Shipping costs will not be refunded. If you have received free shipping, there will be a 10% restocking fee.

If there is an issue with the quality of product you received from us or you received the wrong product, please contact us at snowflake245@snowflakeskishop.com prior to initiating a return.

Clearance and demo items are final sale.  Returns will not be accepted for clearance items

Products sold by Snowflake Ski Shop are covered under the individual manufacturers’ warranty policies. If your merchandise is defective and you believe it should be covered under the manufacturer’s warranty, we can help you through this process.

For self-serve returns, click here:

https://shopify.com/62363205817/account

Exchanges: If you decide you want a different size, color, or style, please contact us for return/refund and place a new order.

Exchanges must be initiated (email snowflake245@snowflakeskishop.com) within 20 days of the date of delivery and items must be in their new/original condition with tags still attached.    

Placing a new order as soon as possible will expedite the arrival of your new item and help to ensure it won't go out of stock. Your refund will be processed as soon as we receive your return in new condition.

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