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Meindl's lightweight merino wool boot sock for hiking, hunting, and serious outdoor activity — built with merino wool and bioceramic two-layer construction, 10-inch boot height, and anatomical right-left fit for all-day comfort and performance across three seasons.

The MT3.5 Lightweight Merino Wool Sock is the boot-height step up from the MT3, built for hunters, hikers, and serious outdoor users who want merino wool performance in a full-coverage sock that works across the complete range of three-season outdoor activity. At 10 inches tall, 2.0mm thick, and 2.2 ounces, it delivers meaningful coverage and protection without the weight or warmth of a mid-weight sock.

Merino wool provides the natural performance foundation — moisture-wicking to keep feet dry during active use, odor-absorbing to keep feet fresh across multi-day hunts and back-to-back trail days, and naturally temperature-regulating to work across the variable conditions that serious outdoor use involves. Bioceramic yarns woven into the two-layer construction enhance that temperature regulation further, managing foot climate across the transition from cold morning starts to warm afternoon exertion.

Anatomically designed to the precise shape of your right and left foot and marked clearly for each, the MT3.5 eliminates the excess fabric that causes bunching, friction, and blisters inside your boot. Ventilation channels and flex channels support natural foot movement and breathability, and anti-slip construction keeps the sock securely positioned throughout active use. Strategically placed cushioning at the heel, sole, and toe adds comfort and durability across the miles that serious outdoor use demands. Made in Italy.

52% Polyamide; 27% Merino Wool; 18% Polypropylene; and 3% Elastane for a bit of stretch. 

Sizes: Large (8-10.5), Extra Large (11-14)