Skip to main content

Please call to verify bike and component inventory. 

Due to high demand for bikes and components, availability on our website may not reflect current stock.

45NRTH Grunnur Wool Base Layer

45NRTH Grunnur Wool Base Layer
  • Color: Cedar Sunrise
  • Color: Cedar Sunrise
Color: Cedar Sunrise
Size: Select size
Please select options Unavailable


The Grünnur base layer is the foundation of any cold-weather kit. Soft Merino wool wicks moisture away from the body and insulates even when wet. It’s designed for a comfortable fit without bunching up underneath other layers.

- 89% Merino wool-blend fabric insulates even when wet
- Long drape in back for extra coverage
- Raglan sleeves for more range of motion

Comfortable Fit
Designed to fit comfortably under the Naughtvind Jacket without bunching up underneath

Cycling Specific Base Layer
Raglan sleeves for mobility, long drape in back for extra protection, comfort across shoulders when in the riding position

Chest 32.5–35” 35–37.5” 37.5–40.5” 40.5–43.5” 43.5–46.5” 46.5–49.5”
Waist 26.5–29 29–31.5 31.5–34.5 34.5–37.5 37.5–41.5 41.5–45.5
Hip 33.5–35 35–37.5 37.5–40.5 40.5–43.5 43.5–46.5 46.5–49.5
Inseam 32 33 34 34 34 34
Sleeve 34.5 35.5 36.5 37.5 38.5 39

Part Numbers

Option UPC MPN
Cedar Sunrise / Small 708752488618 CL00114
Cedar Sunrise / Medium 708752488632 CL00115
Cedar Sunrise / Large 708752488656 CL00116
Cedar Sunrise / X-Large 708752488670 CL00117