UCP Hydration Carrier With Bladder Side Loading They feature an insulated liner

They feature an insulated liner with a leather palm for grip and durability

commonly manufactured by Eagle Industries

compatible with both 1-hole and 3-hole helmet configurations

Some may not come with patches

UCP Hydration Carrier With Bladder Side Loading They feature an insulated linerThe US Military UCP Hydration Carrier with Bladder is a modular water system designed to provide hands free hydration during field operations. It includes the carrier and the removable hydration bladder. Pattern: Universal Camouflage Pattern (UCP) Material: 500D or 1000D Cordura nylon with internal reservoir sleeve Function: Hydration carrier for storing and using a standard issue water bladder Issued to U. S. Army personnel as part of the MOLLE II