Squipper porn. It's a non-steerable T11 parachute normally jumped with a reserve based on the UK LLP aeroconical. The boxy design allows for a slower decent rate (19 feet a second) for the 95th %tile compared to the old T10 (24 feet a second). Slower decent - less landing injuries.
https://airborne-sys.com/product/t-11-static-line-troop-parachute/