NWT allbirds Unisex Trino Sprinter Pacer (Low) socks color: navy night quantity: 3 size: medium / women 8-10 / men 7-8 brand new, with tags retail: approx $14 each / $42 for set of 3 Our performance sock is engineered for the Dasher, with sustainable materials, breathable mesh knit, and durable reinforcements where it matters most. Made the USA. Product Features Cushioned Performance Sock Reinforced Heel And Toe Breathable Trino Material Sprinters are made of 46% recycled nylon, 35% TENCEL™ Lyocell, 15% Merino Wool, and 4% Spandex.