- Ultimate Flex
- E4 Neo
- Ergonomic Design
- Single Buckle
- Kidney Belt
- Flex Performance
- Dual Internal Drainage System
- Seamless Underarms
- U Flex
- E4 Neo
- Ergonomic Design
- Single Buckle
- Kidney Belt
- Flex Performance
- Dual Internal Drainage System
- Seamless Underarms
- U Flex