Fish Monkey OTC Back Country Series Merino Socks Size:XL Lens Material: SuperThin Glass -

Lens Material: SuperThin Glass - Provides the absolute crispest optics available

with a generous cut at the elbows and knees so sleepers can shift positions comfortably throughout the night

Advanced coatings enhance light transmission

Concealed-zip chest pocket with an internal mesh pocket

thermo-moldable foam and Lycra® provide fit and cushioning

Fish Monkey OTC Back Country Series Merino Socks Size:XL Lens Material: SuperThin Glass -Benefits Medium Weight Warmth: Ideal for cool to cold conditions without overheating. Merino Wool Comfort: Naturally insulating and moisture wicking for dry, warm feet. Arch & Ankle Compression: Reduces fatigue during long days in the field or on the water. Wader Ready OTC Fit: Over the calf height pairs perfectly with waders, muck boots, or leather boots. Anti Chafe Construction: Seamless toe and Y gore heel prevent blisters and slipping.