Description
Long shifts standing, a marathon training block, or legs that simply feel heavy by evening: compression boots are one way people wind down. The Air Relax Pro AR-4.0 is a full system, with a control unit, a pair of leg sleeves and a case to carry it all.
How the boots work
Each leg sleeve has six overlapping, seamless chambers. A pump in the control unit fills and empties them in one of four patterns: sequential, progressive, drain and overlay. You can also choose which chambers run. Air Relax describes the medical-grade pump as 60% stronger than other recovery systems, and the system is FDA-cleared.
Settings at a glance
| Pressure | 14 levels, up to 170 mmHg |
| Session length | 5 to 95 minutes |
| Controls | 5.5-inch LCD touch screen |
| Power | 100–240 VAC, 50–60 Hz |
| Sleeve fabric | 200 Denier Nylon Oxford, biocompatible |
| Warranty | 1-year limited |
Taking it on the road
Dual voltage means it works in most countries. An optional power bank (5,700 mAh / 83.2 Wh Samsung cells) gives up to 3 hours away from an outlet, but it is sold separately. The 38L carrying case holds the control unit (about 10.4 × 7.7 × 7.1 in), sleeves, hoses, AC adapter and manual.
Before you use it
Air Relax advises consulting your medical practitioner before use and reading the contraindications. This matters more than usual with compression: if you have a history of blood clots, heart or circulation problems, or one leg that is suddenly swollen, red, warm or painful, get that checked before any compression device goes on. HSA/FSA details are available from Air Relax.
Not sure what is behind your leg aches? The free Pain Check-Up is a quick start, and the sports injury and post-surgery groups compare recovery routines.
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