| Breathable and durable 4 layer ripstop nylon. |
| Peak UK's X4MR , a mid weight, state-of-the art waterproof and breathable fabric system with a unique tri-component composition. |
| Comfortable yet durable inner layer removes perspiration, middle layer transmits perspiration vapor yet has high waterproofing and breathability and outer layer features a super waterproofing treatment that beads water away. |