How to Choose Base Layers

Made for frigid days when you want full-coverage warmth for your neck, ears and face, the men's Helly Hansen LIFA Merino Midweight Balaclava base layer hoodie is ideal for backcountry adventures.
Earn 2x card rewards Instead of 5%, earn 10% in card rewards†on REI purchases—even sale items—with your REI Co-op® Mastercard® Sep 18–28. Terms apply. Learn more
Imported.
View all Helly Hansen Men's Base Layer Tops| Best Use | Snowsports |
|---|---|
| Shirt Type | Mock / Turtleneck |
| Fabric | Shell: 57% merino wool/43% polypropylene; trim: 94% polyamide/6% elastane |
| Moisture Wicking | Yes |
| Quick Drying | Yes |
| Underwear Weight | Midweight |
| Sleeve Length | Long Sleeve |
| Thumbholes | Yes |
| Gender | Men's |
| Sustainability | Contains ZQ merino wool |
Adding a review will require a valid email for verification
So incredibly functional and good looking. Warm, but light. I don't wear anything but this now!


Buy a lifetime $30 membership and make a $50 purchase by Nov 12, 2026.*
$15
10% Reward*
on this and every eligible full-price item*
+
$30
Bonus Card*
valid for 30 days after joining*
=
$45
Value