Classic Thermal Merino Base Layer Bottom 2026

Classic Thermal Merino Base Layer Bottom

Go Far. Feel Good

Product Overview +

We've updated our Men's Classic Thermal Merino Base Layer Bottom to bring you a better fitting, more functional tight. The technical benefits of 100% Merino wool will help you keep your game at a high level for longer. And our warmest-weight wool fabric will help keep you warm and comfortable as you ski, run, and hike the day away.

Features +

Slim Fit

Our slim fit is intended to follow the contours of the body

Merino Wool

Fabric helps combine the moisture management, temperature regulation, and odor resistance of 100% Merino wool with interlock knit for comfort

Inseam

Fitted with a mid-rise waist, 

Size medium inseam: 30" (76 cm)

Flatlock Seam

Flatlock seam construction designed to help increase comfort and minimize chafing

Material

100% Merino Wool. Exclusive of Decoration.

Care

Machine Wash Warm Gentle Cycle, Wash With Like Colors, Do Not Iron Decorations, Do Not Dry Clean, Cool Iron As Needed, Tumble Dry Low, Do Not Bleach

Midweight 250g/m Slim Fit

Moisture control, odor resistance, body temp regulation

Temp Rating +

 Temp Rating: Classic Thermal

• Warm 10° +
• Cool 10° to -5°
• Cold <-5°

Size Chart +

Size	Chest (in)	Waist (in)	High Hip (in)	Hip (in)	Inseam (in)	Arm Length (in)
XS	32-33	24-25	31-32	35-36	29-30	27-28
S	34-35	26-27	33-34	37-38	30-31	28-29
M	36-38	28-30	35-36	39-40	31-32	29-30
L	39-40	31-34	37-39	41-43	32-33	30-31
XL	41-44	35-38	40-43	44-47	33-34	31-32