For calf fatigue countermeasures and ankle support! ZAMST M size, Calf & Ankle Sleeve. With compression support - Brand: ZAMST - Model Name: CALF&ANKLE - Size: M - Features: Compression support - Quantity: Set of 2 pairs - UV Cut: 99% Thank you for looking. There are no holes, but please check the condition of the heel area. *There is fraying on the back of the heel of only one sock (image 6). Immediate purchase/no comment OK(^^)