The Ski Midweight Plus Merino Performance Sock offers full-length cushioning for warmth and pressure distribution. Its terry-loop construction enhances underfoot comfort and insulation. MerinoFusion technology balances insulation with moisture control. The performance fit provides a secure, snug feel, while ThermoFit maintains shape after washing. ShockZones deliver targeted impact protection. The Y-heel design improves fit and prevents slipping, and the flat toe seam reduces friction to prevent blisters.