A wonderfully soft and luxurious Harvia towel The material of the Harvia towel is 100% cotton and the towel is thick terrycloth (600 GSM). The thick towel is highly absorbent, and its absorbency improves with washing. Wrap yourself in a soft towel after the sauna and relax. The towels are made responsibly in Europe and have an OEKO-TEX® certificate.