Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
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Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms
Serbeway Coreline AR men's Merino base layer bottoms

Serbeway

Coreline AR Baselayer Bottom Merino - Men's

Sale price
$94.99
Regular price
$112.99
You save
16%

Color: Black

Size: L

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Return Policy

Eligible return or exchange requests must be submitted within 45 days of the order date. Items must be new and unused with original packaging, tags, and accessories. General change-of-mind returns are not accepted. Customers cover return shipping for size exchanges; Alpine Extreme covers approved returns caused by an incorrect, damaged, or defective item. See the full Return & Refund Policy for exclusions and refund timing.

Shipping

Free standard shipping is available to most addresses worldwide. Availability, delivery estimates, and any expedited charges depend on the destination and order. International customers are responsible for applicable duties, tariffs, or customs fees.

Serbeway Coreline AR men's Merino base layer bottoms

Coreline AR Baselayer Bottom Merino - Men's

Color: Black Size: L

$94.99
$112.99

Why our Vert Junkies® love this

Pure merino. Zero nonsense. The Coreline AR Baselayer Bottom is built for next-to-skin performance when temps swing and output stays high. Thin knit. Fast dry. Odor doesn’t stand a chance. 

This is your first layer. It sets the tone for the entire kit.

Key Features

  • 100% merino wool construction—no blends, no fillers

  • Lightweight knit for high breathability and four-season range

  • Natural odor resistance for multi-day use

  • Moisture-wicking fibers move sweat fast

  • Quick-drying for stop-start output

  • Next-to-skin athletic fit for clean layering

  • Flat, low-bulk seams reduce friction under shells and pants

Recommended Use

Pull these on for cold mornings, long days, and variable output—ski laps, cold hikes, camp setup, or work outside when weather doesn’t quit. Built to run solo or stack under softshells and hardshells without bunching.

They shine when you’re moving, sweating, stopping, then moving again.

Bottom Line

Lightweight merino that works as hard as you do—day after day.

Men's Bottoms — Standard Size Chart (XS–4XL)

Measurements reflect body measures, not garment dimensions. Inseam shown is a regular length (32 in / 81 cm). Tall/short variations may be available on select styles.
Size Waist (in) Waist (cm) Hip (in) Hip (cm) Inseam (in) Inseam (cm)
XS 26–28 66–71 32–34 81–86 32 81
S 29–31 74–79 35–37 89–94 32 81
M 32–34 81–86 38–40 97–102 32 81
L 35–37 89–94 41–43 104–109 32 81
XL 38–40 97–102 44–46 112–117 32 81
2XL 41–43 104–109 47–49 119–124 32 81
3XL 44–47 112–119 50–53 127–135 32 81
4XL 48–51 122–130 54–57 137–145 32 81
Inseam is measured crotch to ankle. For tall (34 in / 86 cm) or short (30 in / 76 cm) lengths, adjust accordingly. 1 inch = 2.54 cm.

FAQ

How can I reach Alpine Extreme if I have questions?

Email gearup@alpineextreme.co or use our contact form.

Do you offer free shipping?

Free standard shipping is available to most addresses worldwide. Availability, delivery estimates, and any expedited charges depend on the destination and order. International duties, tariffs, and customs fees remain the customer’s responsibility. See our Shipping Policy for details.

What's the return policy at Alpine Extreme?

Eligible return or exchange requests must be submitted within 45 days of the order date. Items must be new and unused with original packaging, tags, and accessories. General change-of-mind returns are not accepted. Return-shipping responsibility depends on the reason for the return. See the full Return & Refund Policy for exclusions and refund timing.

How long will it take for my order to arrive?

Orders are typically processed within 2–5 business days. Most standard shipments arrive within 7–14 business days after shipping, depending on destination and carrier conditions. Delivery estimates are not guaranteed.

Can I track my order?

Yes. Tracking details are emailed after shipment. You can also check order status with your order information through our order-tracking page.

What if there's an issue with my order?

Email gearup@alpineextreme.co or submit the form on our support page. Report delivery issues within 60 days of the order date so carrier information is still available.