Grundens Boot Sock Thermal Size:M Designed to handle any tippet-busting

Designed to handle any tippet-busting

Materials: 26 10mm hardened-steel traction studs with lock teeth

The rear loaded short-bellied fly line with an extended handling section

Updated rubber outsole package is compatible with Simms Hardbite Star Cleats

The SONAR Titan Full Intermediate fly line is designed to manhandle even the largest flies

Grundens Boot Sock Thermal Size:M Designed to handle any tippet-bustingComfort starts from the inside, out. Naturally insulating, moisture wicking and antimicrobial Merino Wool and Repreve recycled 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. USA made, sustainably sourced.