NV Compression365 Long 20-30mmHg Compression Cushion Sports Socks for Running, Cycling, Triathlon, Gym

am a size 5 foot on 1 foot, my left foot is wider than my right foot, my left leg is wider than my right leg, what size do i need where is the chart?

Whats best size for a size 8 mens

Description shows "machine wash, hand wash only". what does this mean as it looks like a contradiction to me?

can anyone tell me what they are made of as im alergic to nylon