The PhD® Ski Ultra Light was designed after the classic Ski Ultra Light, except with a 4 Degree™ Elite Fit System and ReliaWool™ Technology to create the most comfortable and durable sock yet.
• 4 Degree™ Elite fit system uses two elastics for greater stretch and recovery to keep the sock in place
• Patent pending ReliaWool™ technology in high impact areas provides longer lasting protection to keep feet comfortable
• Strategically placed mesh ventilation zones provide ventilation for temperature and moisture management
• Low profile and durable virtually seamless toe
• 1x1 ribbed leg & 1x1 ribbed welt
• Cushion: Non-cushioned sole & leg
• Height: Over the Calf, 14" overall
• Fabric: 57% Merino Wool, 40% Nylon, 3% Elastane
• Knit In USA Of Imported Yarn
• Product Number: SW003
SMARTWOOL ITEMS ARE NOT ELIGIBLE FOR INTERNATIONAL SHIPMENT.