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Mountain Heritage Microweight Merino Wool Crew Liner Socks
The sock that does everything without getting in the way. The Mountain Heritage Microweight Crew Liner Socks deliver 58% merino wool performance in an ultra-thin, barely-there design that works year-round. The crew height—the most common sock height—sits comfortably at the bottom of your calf, protecting against boot rub while staying invisible under your pants. Wear them solo for a minimal feel during summer hikes, layer them under cushioned socks for winter warmth, or slip them on for everyday comfort. The Y-heel construction creates a perfect pocket for your heel, so they stay put whether you're traversing a peak or running errands.
Why You'll Love These Liner Socks
- Ultra-Thin Liner Design: No cushion, no terry—just a minimal sock that feels like a second skin for barely-there comfort
- True All-Season Versatility: Light enough for summer hiking, effective as a base layer for winter layering—these work spring through winter
- Y-Heel Construction: Creates a perfect pocket for your heel, eliminating slip and bunching throughout the day
- Protective Toe Bumper: Light padding at the toe shields against toenail pressure without adding bulk
- 3-Zone Elastic System: Elastic at the arch, ankle, and welt opening keeps the thin fabric snug and wrinkle-free
- Vented Top-of-Foot Design: Mesh ventilation zones release heat and moisture for cool, dry feet
- Reinforced High-Wear Areas: Heel and toe plating extends durability even in thin construction
- USA Made Quality: Crafted in New Hampshire using wool/nylon yarn technology for durability with high merino content
Size & Fit
Crew height sits comfortably at the bottom of the calf—the most common sock height for versatile wear. Available in sizes S through XL:
- S: Women's 4-6.5 / Men's 3-5.5
- M: Women's 7-9.5 / Men's 6-8.5
- L: Women's 10-12.5 / Men's 9-11.5
- XL: Women's 13+ / Men's 12-14.5
Care Instructions
Machine wash cold on gentle cycle with like colors. Use mild or wool-specific detergent like Nikwax Wool Wash. Tumble dry low. Store in an airtight container for extended storage. Never use fabric softener or bleach.
Complete Your Look
Layer with the Mountain Heritage Microweight Cushion Crew Socks for added warmth, or explore our full Minus 33 merino wool collection for coordinating base layers.
The sock that does everything without getting in the way. The Mountain Heritage Microweight Crew Liner Socks deliver 58% merino wool performance in an ultra-thin, barely-there design that works year-round. The crew height—the most common sock height—sits comfortably at the bottom of your calf, protecting against boot rub while staying invisible under your pants. Wear them solo for a minimal feel during summer hikes, layer them under cushioned socks for winter warmth, or slip them on for everyday comfort. The Y-heel construction creates a perfect pocket for your heel, so they stay put whether you're traversing a peak or running errands.
Why You'll Love These Liner Socks
- Ultra-Thin Liner Design: No cushion, no terry—just a minimal sock that feels like a second skin for barely-there comfort
- True All-Season Versatility: Light enough for summer hiking, effective as a base layer for winter layering—these work spring through winter
- Y-Heel Construction: Creates a perfect pocket for your heel, eliminating slip and bunching throughout the day
- Protective Toe Bumper: Light padding at the toe shields against toenail pressure without adding bulk
- 3-Zone Elastic System: Elastic at the arch, ankle, and welt opening keeps the thin fabric snug and wrinkle-free
- Vented Top-of-Foot Design: Mesh ventilation zones release heat and moisture for cool, dry feet
- Reinforced High-Wear Areas: Heel and toe plating extends durability even in thin construction
- USA Made Quality: Crafted in New Hampshire using wool/nylon yarn technology for durability with high merino content
Size & Fit
Crew height sits comfortably at the bottom of the calf—the most common sock height for versatile wear. Available in sizes S through XL:
- S: Women's 4-6.5 / Men's 3-5.5
- M: Women's 7-9.5 / Men's 6-8.5
- L: Women's 10-12.5 / Men's 9-11.5
- XL: Women's 13+ / Men's 12-14.5
Care Instructions
Machine wash cold on gentle cycle with like colors. Use mild or wool-specific detergent like Nikwax Wool Wash. Tumble dry low. Store in an airtight container for extended storage. Never use fabric softener or bleach.
Complete Your Look
Layer with the Mountain Heritage Microweight Cushion Crew Socks for added warmth, or explore our full Minus 33 merino wool collection for coordinating base layers.