Primaloft® Lightweight socks use Primaloft® polyester yarn to keep your feet warm in varying temperatures without overheating or being overly thick.

Tech Specs:

• Primaloft® polyester yarn provides the best warmth to weight ratio over a wide temperature range
• Calf high - 18cm/7in with seamless toe construction
• Material 45% polyester, 25% polypropylene, 25% polyamide, 5% elastane