read the description. they perform and function exactly as eadvertised. I was die hard Under Armour sock fan until a in store 5.11 sales associate recommended these to me and now i own 5 pair. worn for 2 days in a row on a 40 mile ruck and kept me comfortable, dry and blister free.
My Florida (hot, humid weather) EMS son loves these. I'm here to order more!
I bought the year round OTC sock because the Level II 9" Sock - Extra Thick are out of stock. These socks are good for warm weather by keeping your feet cool. I plan on buying more as so I can.