Non-slip socks made from a polyamide blend material, featuring a flat seam design for a comfortable fit. - Brand: OYSHO STUDIO - Material: Polyamide blend - Size: 39/41 - Non-slip: Yes - Flat seam: Yes - Quantity: Set of 2 pairs Thank you for viewing. Color: Black系 (Black-based) Pattern/Design: Solid Sock Length: Short/Ankle Condition: No stains, tears, or odors A 2-pack of cotton-blend socks, perfect for studio sports like yoga and Pilates. Features two crossover stretch straps. The seams are flat and the soles have non-slip silicone to prevent the socks from slipping. Shaped for the right and left foot for a better fit.