The Tone-Isle and the Skinny Minnie make the perfect 2 pack. Both socks feature spandex throughout the sock, cushioned sole, turn welt top, and a flat toe seam. The Tone-Isle is made of 32% Merino Wool, 31% Bamboo Rayon, 32% Stretch Nylon and 5% Spandex. The Skinny Minnie is made of 31% Merino Wool, 31% Bamboo, 32% Stretch Nylon and 6% Spandex. Goodhew socks are all crafted in the USA and are machine washer and dryer friendly.