Grundens Boot Sock Thermal

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Comfort starts from the inside, out. Naturally insulating, moisture wicking and antimicrobial - Merino Wool and performance yarns wrap your feet in cushioned comfort. 38% Merino co ntent, the most in the sock line-up, boosts the Boot Sock Thermal insulating power for the coldest, longest days on deck. High-power instep elastic locks in a blister-free fit. Nylon reinforcement yarns at heel and toe boost durability. We’re so confident in our USA made, sustainably sourced socks that we’re putting a lifetime warranty behind them. If your socks fail, we'll replace them, no questions asked. Show more