How to Choose Base Layers

An everyday base layer, this Icebreaker half-zip hoodie is the ideal foundation for year-round layering. Made from breathable merino wool, it keeps you cool when it's hot and warm when it's not.
Imported.
View all Icebreaker Men's Base Layer Tops| Best Use | Multisport |
|---|---|
| Shirt Type | Partial-zip |
| Fabric | 100% merino wool (exclusive of decoration) |
| Underwear Weight | Midweight |
| Sleeve Length | Long Sleeve |
| Thumbholes | Yes |
| Gender | Men's |
| S | M | L | XL | XXL | XXXL | |
|---|---|---|---|---|---|---|
| Chest | 33-36 | 36-39 | 39-42 | 42-45 | 45-48 | 48-52 |
| Waist | 27-30 | 30-33 | 33-36 | 36-39 | 39-42 | 42-46 |
| Hip | 34.5-37 | 37-39.5 | 39.5-42 | 42-44.5 | 44.5-47 | 47-50.5 |
Measurements are stated in inches unless otherwise indicated.
CHOOSING THE RIGHT SIZE: If your body measurements are midway between two sizes, select the smaller size for a tighter fit or the larger size for a looser fit. If your body measurements result in different sizes, we recommend using your chest measurement for tops and your hip measurement for pants.
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