non-slip invisible boat socks for women and men, low-top invisible lined ankle socks, suitable for outdoor sports About this product: Invisible socks: Easily match with various shoes, such as sneakers, oxford shoes, running shoes, casual shoes, training shoes, sports shoes and business shoes, but not suitable for low-top shoes. Size: Suitable for foot size 35-42 Best gift choice: Invisible socks for men and women. It is a great gift for mothers, teachers, wives, daughters, sisters and friends. Easy to clean: Machine washable or hand washable, do not bleach Breathable: Breathable material to keep your feet dry. Moisture wicking, foot cushioning, toe seam for comfort. Applicable occasions: Suitable for running/sports/casual shoes. Can be worn indoors and outdoors.