The original, military-endorsed Bircham Sock. Ankle length. 100% waterproof and thermoregulating, the Bircham excels in high-intensity sports, as well as more relaxed outdoor pursuits
The Bircham combines premium merino wool with performance-driven, engineered fibres. The outcome: a highly functional sock with a natural feel
Each stratum of the Three-Layer Aquasealz Composition assists in the release of internally generated moisture, aiding thermoregulation. The Aquasealz hydrophilic membrane is completely waterproof, keeping feet dry in the wettest of conditions
Ankle length complements the overall breathability of the garment
Mountain biking, trekking, trail running and hiking are all in the scope of the Bircham
