In terms of cosmetics and finish they seemed like much more expensive reels, but of course its whats under the cover that really matters
Overall verdict of the BWIN 500 Baby Helmet The BTWIN 500 Baby Helmet is a lightweight yet robust helmet with some well through through features, including the soft strap guard

Specifications Frameset Fork Brand & Model Spinner Grind OS 2, 100mm travel Fork Material Steel, single crown Frame Construction TIG-welded Frame Tubing Material Aluxx aluminum Rear Shock Not applicable Drivetrain Groupset 2007 Giant Boulder SE Knobby Bottom Bracket Cartridge Cassette 7-speed, 14 - 34 teeth Chain KMC Z51 Component Group Mountain Mix Crankset SR Suntour GI100, 28/38/48 teeth Shifters Shimano EF-50 Brakes Brakes Alloy Direct Pull brakes, Shimano EF-50 levers Cockpit Handlebar Steel 50mm rise Stem Alloy Saddle Giant Seatpost Alloy, 30.9mm diameter Wheels & Tires Hubs Alloy Rims Alloy Double Wall Spoke Brand Stainless steel Tires 26 x 2.10inch MTB Trail Pedals Pedals Nylon platform Accessories Colors Silver/Black Extensions Not included Frame sizing XS4'10"-5'2" S5'2"-5'6" M5'6"-5'10" L5'10"-6'2" XL6'2"-6'6" M highlighted as most common resale size

Simply put, all of this talk about bicycle helmets takes our eyes off the bigger crisis: injuries to everything south of the noggin
Talking of safety, its DOT and ECE certified which is a huge step up from its predecessor, the AT950