The most prominent "ULT" series currently is the Ultimate Survival Texture Pack (USTP) v4 . This pack focuses on "Default Edits," which maintain the classic Minecraft look while adding over 55+ utility features. Pack Features (USTP v4 / Ultimate Series)
The file is a compressed archive containing the fourth installment of the "ULT" (Ultimate) texture series, most likely for Minecraft . Key Identification Details
Based on the current version 4 release of the Ultimate series, the archive likely contains:
A password will be e-mailed to you