# Hyperice Normatec 3 Legs vs Air Relax Pro AR-4.0 Leg Recovery System: specs and price compared

A sourced, side-by-side comparison of the Hyperice Normatec 3 Legs (Hyperice) and Air Relax Pro AR-4.0 Leg Recovery System (Air Relax) among compression recovery boots. Hyperice Normatec 3 Legs is the cheaper of the two at $899.

## Side by side

| Spec | Hyperice Normatec 3 Legs | Air Relax Pro AR-4.0 Leg Recovery System |
| --- | --- | --- |
| US price | $899 | $935 |
| Brand | Hyperice | Air Relax |
| Pressure range mmhg | 40-110 mmHg (7 compression levels) | 40-170 mmHg |
| Chambers zones | 5 zones of gapless compression per boot, plus ZoneBoost for extra pressure to a single zone | 6 |
| Sequence modes | 7 adjustable compression levels; ZoneBoost targeted-zone boost | Multiple predefined recovery programs, plus manual pressure/time selection |
| Power source | Rechargeable battery, up to 3 hour battery life, 15V wall charger | Dual-voltage 100-240V AC adapter (plug-in); optional 5,000 mAh/72Wh battery pack rated 2.5 hr continuous use |
| Boot size range | Short (5'7" and under), Standard (5'7"-6'4"), Tall (6'4" and over) | Size 2 (26-30 in inseam), Size 3 (30-34 in), Size 4 (34+ in) |
| Session timer | No fixed built-in cycle length stated; brand recommends 15-20 min pre-workout or 20-60 min post-workout sessions | 1-95 minutes, user-selectable |
| App control | Yes | No |
| Weight portability | 3.2 lb per boot, 4 x 4.5 x 8.5 in packed, described as TSA friendly | Includes 38L carrying case; unit weight not published by brand |

## Key differences

- Pressure range mmhg: Hyperice Normatec 3 Legs 40-110 mmHg (7 compression levels) vs Air Relax Pro AR-4.0 Leg Recovery System 40-170 mmHg
- Chambers zones: Hyperice Normatec 3 Legs 5 zones of gapless compression per boot, plus ZoneBoost for extra pressure to a single zone vs Air Relax Pro AR-4.0 Leg Recovery System 6
- Sequence modes: Hyperice Normatec 3 Legs 7 adjustable compression levels; ZoneBoost targeted-zone boost vs Air Relax Pro AR-4.0 Leg Recovery System Multiple predefined recovery programs, plus manual pressure/time selection
- Power source: Hyperice Normatec 3 Legs Rechargeable battery, up to 3 hour battery life, 15V wall charger vs Air Relax Pro AR-4.0 Leg Recovery System Dual-voltage 100-240V AC adapter (plug-in); optional 5,000 mAh/72Wh battery pack rated 2.5 hr continuous use
- Boot size range: Hyperice Normatec 3 Legs Short (5'7" and under), Standard (5'7"-6'4"), Tall (6'4" and over) vs Air Relax Pro AR-4.0 Leg Recovery System Size 2 (26-30 in inseam), Size 3 (30-34 in), Size 4 (34+ in)
- Session timer: Hyperice Normatec 3 Legs No fixed built-in cycle length stated; brand recommends 15-20 min pre-workout or 20-60 min post-workout sessions vs Air Relax Pro AR-4.0 Leg Recovery System 1-95 minutes, user-selectable
- App control: Hyperice Normatec 3 Legs Yes vs Air Relax Pro AR-4.0 Leg Recovery System No
- Weight portability: Hyperice Normatec 3 Legs 3.2 lb per boot, 4 x 4.5 x 8.5 in packed, described as TSA friendly vs Air Relax Pro AR-4.0 Leg Recovery System Includes 38L carrying case; unit weight not published by brand

## Sources

- Hyperice Normatec 3 Legs: https://hyperice.com/products/normatec-3-legs (hyperice.com, verified 2026-08-05)
- Air Relax Pro AR-4.0 Leg Recovery System: https://www.air-relax.com/products/air-relax-pro-ar-4-0-leg-recovery-system (air-relax.com, verified 2026-08-05)

Canonical: https://frontdeskreview.com/gear/compression-recovery-boots/hyperice-normatec-3-legs-vs-air-relax-ar-4-0/
Cite: Per The Front Desk Review, Hyperice Normatec 3 Legs ($899) vs Air Relax Pro AR-4.0 Leg Recovery System ($935) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/compression-recovery-boots/hyperice-normatec-3-legs-vs-air-relax-ar-4-0/
License: CC BY 4.0.