Giro Aries MIPS Spherical
Tested in 2026
Adult
Road
Score
29.0
out of 100
Star rating
1/5 Stars
Price
$
$
$
$
over $270
Performance
Specifications
Performance
Each metric is weighted differently based on crash severity. Scores combine to create the overall 100-point rating.
Helmet coverage
3.9
/ 6
Retention system strength
2.8
/ 6
Head protection in low-speed impact
10.8
/ 12
Angular head impact protection
32.0
/ 32
Head protection from concentrated impact
0.0
/ 8
Head protection in higher-speed impact
9.2
/ 12
Head protection variability in higher-speed impact
1.0
/ 2
Head protection variability in low-speed impact
1.0
/ 2
Helmet stability in a crash
6.0
/ 6
Head protection in standard-speed impact
6.9
/ 12
Head protection variability in standard-speed impact
0.7
/ 2
Modifier: The total score is truncated to 29% or one star as the male part of the retention system buckle is not permanently attached.
Total
29.0
/ 100
Specifications
Model
Aries MIPS Spherical
Brand
Giro
Size
S, M and L
Helmet Type
Road
Weight (Average from 3 sizes)
282g
Shell/Liner material
Polycarbonate
AIMS
YES
AIMS Type
MIPS Spherical
Retention System
Quick Release
Price Range
$$$$ (over $270)
Certification standard(s)
CPSC and EN 1078
