Polartec & Primaloft Trekking & Expedition Socks Primaloft insulation is incredibly soft, lightweight and breathable with excellent water repellency so you can remain dry, warm and comfortable. Composition: 40% Poliester, 30% Nylon, 10% Poliester antibacterial, 10% Primaloft, 10% Lycra

Lycra® Adaptability This fiber has the best zero-point elasticity and is the only fiber that conserves its characteristics forever. Lorpen socks are the only technical socks that include Lycra® throughout their entire structure. No creases, no abrasion, no blisters.

Extra Flat Toe Seam Our toecap mesh joins each stitch up with its partner on the other side without creating a traditional seam line or those bothersome ridges that can hurt your toes.