Charcoal: 33% Coolmax Polyester, 27% Merino Wool, 17% Acrylic, 20% Nylon, 3% Lycra Spandex

Gray: 33% Coolmax Polyester, 30% Merino Wool, 19% Nylon, 15% Acrylic, 3% Lycra Spandex

Lightweight mesh encircles foot for better ventilation

Perfect Toe - Seam-Free Technology

We put this product through some killer field testing, and showed no mercy.

Wanna be sure this test product can hold up to your Killer Lifestyle?