Merino wool and synthetic performance sockTargeted padding - provides extra support and cushioning to key comfort areasPerformance Fit - close and supportive and won't slip downFlat Toe Seam - reduces bulk and abrasion to the toesSecure fit - elasticated arch and 3D heel cup keeps the sock firmly in placeThermoFit structure - Lycra composition returns to shape after each washDofE Recommended Kit - features on the DofE Expedition Kit ListWeight: 64g (pair)