Sealskinz Billockby socks — made in Bulgaria. The original mid-length BILLOCKBY sock, 100% waterproof with Hydrostop. Outer layer: 94% nylon, 6% elastane.…
Sealskinz Billockby socks, sold under the SealSkinz brand, is manufactured in Bulgaria. That origin is recorded at the "Brand-Stated" evidence grade.
SealSkinz is headquartered in United Kingdom; a brand's home country is not evidence of where its goods are made, and the two are tracked separately.
Origin evidence last reviewed 2026-06-11.
Every origin claim on Hesperia Market is graded by the strength of its evidence and linked to its sources.