# Therabody JetBoots Prime (formerly RecoveryAir Prime) vs Air Relax Pro AR-4.0 Leg Recovery System: specs and price compared

A sourced, side-by-side comparison of the Therabody JetBoots Prime (formerly RecoveryAir Prime) (Therabody) and Air Relax Pro AR-4.0 Leg Recovery System (Air Relax) among compression recovery boots. Therabody JetBoots Prime (formerly RecoveryAir Prime) is the cheaper of the two at $549.99.

## Side by side

| Spec | Therabody JetBoots Prime (formerly RecoveryAir Prime) | Air Relax Pro AR-4.0 Leg Recovery System |
| --- | --- | --- |
| US price | $549.99 | $935 |
| Brand | Therabody | Air Relax |
| Pressure range mmhg | 25-100 mmHg, adjustable in 25 mmHg increments | 40-170 mmHg |
| Chambers zones | 4 overlapping air chambers per boot | 6 |
| Sequence modes | Preset treatments plus customizable pressure levels | Multiple predefined recovery programs, plus manual pressure/time selection |
| Power source | Rechargeable battery via USB-C, up to 180 min battery life | 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 (68-81 cm leg length), Regular (81-93 cm), Long (93 cm+) | Size 2 (26-30 in inseam), Size 3 (30-34 in), Size 4 (34+ in) |
| Session timer | 20, 40, 60 minutes, or continuous mode | 1-95 minutes, user-selectable |
| App control | No | No |
| Weight portability | 6 lb (Regular), foldable design, includes drawstring travel backpack | Includes 38L carrying case; unit weight not published by brand |

## Key differences

- Pressure range mmhg: Therabody JetBoots Prime (formerly RecoveryAir Prime) 25-100 mmHg, adjustable in 25 mmHg increments vs Air Relax Pro AR-4.0 Leg Recovery System 40-170 mmHg
- Chambers zones: Therabody JetBoots Prime (formerly RecoveryAir Prime) 4 overlapping air chambers per boot vs Air Relax Pro AR-4.0 Leg Recovery System 6
- Sequence modes: Therabody JetBoots Prime (formerly RecoveryAir Prime) Preset treatments plus customizable pressure levels vs Air Relax Pro AR-4.0 Leg Recovery System Multiple predefined recovery programs, plus manual pressure/time selection
- Power source: Therabody JetBoots Prime (formerly RecoveryAir Prime) Rechargeable battery via USB-C, up to 180 min battery life 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: Therabody JetBoots Prime (formerly RecoveryAir Prime) Short (68-81 cm leg length), Regular (81-93 cm), Long (93 cm+) 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: Therabody JetBoots Prime (formerly RecoveryAir Prime) 20, 40, 60 minutes, or continuous mode vs Air Relax Pro AR-4.0 Leg Recovery System 1-95 minutes, user-selectable
- Weight portability: Therabody JetBoots Prime (formerly RecoveryAir Prime) 6 lb (Regular), foldable design, includes drawstring travel backpack vs Air Relax Pro AR-4.0 Leg Recovery System Includes 38L carrying case; unit weight not published by brand

## Sources

- Therabody JetBoots Prime (formerly RecoveryAir Prime): https://www.therabody.com/products/jetboots-prime-regular (therabody.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/therabody-jetboots-prime-vs-air-relax-ar-4-0/
Cite: Per The Front Desk Review, Therabody JetBoots Prime (formerly RecoveryAir Prime) ($549.99) vs Air Relax Pro AR-4.0 Leg Recovery System ($935) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/compression-recovery-boots/therabody-jetboots-prime-vs-air-relax-ar-4-0/
License: CC BY 4.0.