Kask Protone
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Kask Protone
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Read the Review
Read the Review
Read the Review
Read the Review
Awards  Editors' Choice Award Editors' Choice Award  Best Buy Award 
Price $299.00 at Amazon
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$79.99 at Amazon
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$239.95 at Competitive Cyclist
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$299.95 at Competitive Cyclist
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$89.95 at Competitive Cyclist
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Overall Score Sort Icon
64
79
79
77
72
Star Rating
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Pros Durable, leather chin strapWell-ventilated, adjustable and comfortable, sleek and classy styleLightweight, comfortable, low profile, good ventilationGreat ventilation, elegant style, advanced MIPS liner designComfortable, adjustable, durable, inexpensive
Cons Expensive, adjustment issues, not comfortableSlightly heavy for a high-end helmetExpensiveExpensive, heavier than other high-end helmetsHeavier, slightly less ventilation
Bottom Line Far from budget friendly, this high quality model is durable, yet lacking in comfort and adjustabilityA stylish, comfortable helmet with outstanding ventilation and solid all-around performanceLightweight comfort and performance from a semi aerodynamic model that ventilates wellA unique MIPS liner design with great ventilation highlight this expensive choiceTremendous value packed into a helmet with a multitude of high-end features
Rating Categories Kask Protone Bell Z20 MIPS Giro Synthe MIPS Giro Aether MIPS Giro Agilis MIPS
Comfort (20%)
5
9
9
7
9
Adjustability (15%)
5
8
8
9
9
Weight (15%)
9
6
8
7
6
Style (15%)
6
9
8
7
5
Ventilation (20%)
5
8
7
8
5
Durability (15%)
9
7
7
8
9
Specs Kask Protone Bell Z20 MIPS Giro Synthe MIPS Giro Aether MIPS Giro Agilis MIPS
Weight (grams) 268 g (size M) 336 g (size L) 312 g (size L) 330 g (size L) 336 g (size L)
MIPS No Yes Yes Yes Yes
Number of vents 20 18 19 11 32
Sizes S, M, L S, M, L S, M, L S, M, L S, M, L
Size Range (cm) 52-58 cm (size M) 58-62 cm (size L) 59-63 cm (size L) 59-63 cm (size L) 59-63 cm (size L)
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