wool,cotton,camel wool,silk,cashmire,horse hair,coco etc
very high density pes fiber,keeps its form against to pressure and weight of body ,it likes a foam layer when lie down on it.
cashmere keeps you warm and fresh due to its origin because cashmere goats lives between -35 and +40 centigrade degree,Cashmere wool, usually simply known as cashmere, is a fiber obtained from cashmere goats ... Pure cashmere can be dyed and spun into yarns and knitted into jumpers (sweaters), hats, gloves, socks and other clothing, or woven into fabrics,
Organic cotton is grown using methods and materials that have a low impact on the environment. Organic production systems replenish and maintain soil fertility, reduce the use of toxic and persistent pesticides and fertilizers, and build biologically diverse agriculture. Third-party certification organizations verify that organic producers use only methods and materials allowed in organic production. Organic cotton is grown without the use of toxic and persistent pesticides .