Night Blue Everyday Alpaca SocksThis is a slim sock with a ribbed, long body, made with alpaca, one of the world's most luxurious fibres. This is a unisex style that can be dressed up or down, with a classic style. This alpaca blend sock is ideal for those looking for a comfortable sock fit with an option to roll the socks up or down. Peruvian alpaca is a natural, technical fiber with remarkable thermal properties. Alpaca allows air circulation on warm days, and heat insulation on