Darn Tough Heavyweight Boot Sock - Full Cushion

Darn Tough Heavyweight Boot Sock – Full Cushion | Rugged Comfort for Cold Climates

When the mission’s cold and the load is heavy, this sock shows up ready.

The Darn Tough Heavyweight Boot Sock is built for serious conditions, whether you're trekking through snow, stacking miles with a ruck, or standing post in the dead of winter. Full-density cushioning wraps your foot and leg in warmth and comfort, while reinforced high-wear zones keep you moving without blowouts.

Made with a moisture-wicking Merino Wool blend and Darn Tough’s signature fine-gauge knit, it’s naturally antimicrobial, surprisingly breathable, and guaranteed for life. No slipping. No bunching. No drama. Just dependable performance from a sock that’s tougher than most boots.

Why We Love It

Because it’s the sock you don’t think about—which is exactly what you want when conditions get brutal. It works harder than your average layer, and it’ll never let you down.

Key Features

• Full Cushion: High-density terry loops for maximum comfort and warmth

• Performance Fit: No slipping, bunching, or hotspots

• Merino Wool: Breathable, antimicrobial, all-season performance

• Boot Height: Mid-calf for added protection

• Reinforced Heel & Toe: Increased durability in high-stress areas

• True Seamless™: Smooth finish with zero irritation

• Fast Drying & Moisture Wicking: Keeps your feet dry and dialed

• Guaranteed for Life: No strings. No BS.

Material: 64% Merino Wool, 34% Nylon, 2% Lycra Spandex
Made in USA

Sock Care

To help ensure many happy miles with your Darn Tough Vermont socks we recommend that you machine wash them in warm water on gentle cycle with socks in-side out. Do not bleach. Tumble dry on low. Do not dry clean.

SIZE + FIT: