Paramo Mens Cambia LS T-shirt: A revolutionary reversible long sleeved T-shirt offers a choice of two levels of cooling. When youre hot, you wear the fabrics smooth water-attracting face next to your skin to offer maximum cooling. In cooler conditions, you wear the honeycombed air-containing face next to your skin giving a feeling of dryness but still providing effective evaporation of excess water. The result is a base layer for all kinds of weather conditions, every kind of activity, all year round.