Grundns Boot Sock Thermal Built for the Coldest Days on Deck

Maximum Warmth. Lifetime Comfort.

When the weather turns bitter and your boots are your best friends, the Grundns Boot Sock Thermal steps in with unmatched warmth and comfort. Featuring 38% Merino Wool, the highest in the Grundns sock lineup, these socks naturally insulate, wick moisture, and fight odorkeeping your feet dry, warm, and fresh on the longest, coldest missions.

Crafted with high-power instep elastic to prevent blisters and nylon-reinforced heel and toe zones for lasting durability, the Boot Sock Thermal is performance-driven from the inside out. Sustainably sourced and made in the USA, each pair is backed by Grundns’ Lifetime Sock Warrantybecause these socks are built to outlast the elements.

Key Features:

• 38% Merino Wool the most insulating sock in the Grundns lineup

• Moisture-Wicking & Antimicrobial stay dry and odor-free all day

• Instep Compression reduces blister risk and maintains fit

• Reinforced Heel & Toe added durability in high-wear zones

• Made in the USA sustainably sourced materials

• Lifetime Warranty if they fail, well replace themno questions asked

Style No.: 60021
Ideal For: Cold weather fishing, hunting, and workwear
Fit: Boot height | Cushioned | Unisex

Grundns Boot Sock Thermal with 38% Merino Wool offers maximum insulation, moisture wicking, and blister protectionbuilt in the USA and backed by a lifetime warranty.