Grundens Boot Sock Thermal Pets breathable Simms Challenger Jacket for

breathable Simms Challenger Jacket for the kind of on-the-water performance that outlasts the elements

Anatomically correct left and right patterning for superb fit and easy don/doff

with a durable water repellent (DWR) finish made without perfluorinated chemicals to shed light moisture

small interior stash pocket

Grundens Boot Sock Thermal Pets breathable Simms Challenger Jacket forComfort starts from the inside, out. Naturally insulating, moisture wicking and antimicrobial Merino Wool and performance yarns wrap your feet in cushioned comfort. 38% Merino content, 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. Were so confident in our USA made,