ST Pro Airbag Vest - Developed in Partnership with SPIDI Versatile. CE-Certified. Built for Every Ride.
The same trusted technology as the SPIDI Air DPS. The Hit-Air ST is the result of our partnership with SPIDI, featuring the identical airbag system found in the renowned SPIDI Air DPS Tex Jacket. This versatile, professional-grade airbag vest is designed for everyday street riding, track racing, and off-road adventures. With faster inflation, extended coverage, built-in armor, and CE certification, the ST delivers comprehensive protection across all riding conditions without sacrificing mobility or comfort.
SPIDI Partnership: This vest shares the same proven Hit-Air airbag technology that powers the SPIDI Air DPS, trusted by riders worldwide for its reliability and performance. When you choose the ST, you're getting the same protection system that SPIDI selected for their premium airbag jacket.
Key Features
SPIDI Air DPS Technology – Same airbag system as the SPIDI Air DPS Tex Jacket
Faster Inflation System – Rapid deployment for immediate impact protection
CE-Certified Protection – Meets European safety standards for rider protection
Built-In Armor – Integrated protection for upper torso with molded key box housing for CO₂
Extended Coverage – Enhanced protection for neck, spine, chest, and ribs
Unisex Versatile Fit – Designed to layer seamlessly over any riding gear
Multi-Discipline Ready – Proven on the street, track, and trails
The ST is built for riders who want one vest that does it all. Whether you're commuting daily, pushing limits on the track, or exploring off-road terrain, the ST delivers pro-level protection across every riding scenario—backed by the same technology trusted by SPIDI.
📏 Size Chart & Fit Guide
How to Measure:
Height: Stand barefoot against a wall and measure from floor to top of head
Chest: Measure around the fullest part of your chest, keeping tape parallel to the floor
Waist: Measure around your natural waistline (above your hips, below your ribs)
SIZE
HEIGHT (inches)
CHEST (inches)
WAIST (inches)
S
62 - 69
35 - 42
29 - 35
M
66 - 73
39 - 46
28 - 38
L
68 - 77
43 - 50
35 - 44
✓ Fit Tips:
Between sizes? Choose the larger size for comfort when layering over jackets or armor
Athletic build? Prioritize chest measurement over height
Layering: The ST is designed to wear over your riding jacket or protective gear
Built-in armor: Integrated protection means less bulk from separate armor pieces
Need help? Contact us with your measurements for personalized sizing assistance
📦 What's Included
ST Pro Airbag Vest with Built-In Armor
Coiled Wire Connection
1 CO₂ Canister (50cc for S, 60cc for M/L)
Keyball (pre-installed)
Tool Kit & Directions
Warranty Card
Storage Hanger
One vest. Every ride. Built for the bold. Trusted by SPIDI.
