ILPS 2L low profile hydration system Coyote tube w/UTA The latest low profile hydration reservoir design, conceived for ballistic vest integration, holds 3L inserted in ballistic vest, 3L in a pack. Maximum utilization of the low profile technology reduces the depth of the carrier, making it a truly low profile hydration system.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }