85%/15% cotton/nylon. Unisex. One size fits all. GI Government Issued style. Made In USA. Thermal boot socks. Keeps your feet warm in extremely cold weather. Great for outdoor activities and could be worn around the house to keep feet warm. HW-Heavy Weight. Comfortable fit.
1 contribute to the mechanical structure of animals, including humans, e.g. keratin in hair and fingernails, and fibrous proteins such as collagen in tendons. 2  enable animals to move, e.g. myosin in muscle.  facilitate transport of smaller molecules around animals' bodies, e.g. haemoglobin.
Protein serves both structural and functional roles in the human body. Different types of protein are involved in building up the structure of the human body eg. Actin and myoâ¦sin ( two proteins ) make muscle cells, keratin makes hair, etc. Proteins serve structural roles by being a component of the cells.