Product Details
The Troy Lee Designs D4 Composite Helmet boasts an aerospace-inspired shell design and materials, achieving a lightweight 1050 grams while maintaining exceptional strength. Equipped with the MIPS C2 protection system for added safety during falls, it features a front air intake system that directs cooling air through a polymer center and power grid side mesh. Specifically designed for mountain biking and off-road cycling, this helmet includes 20 high-flow intake and exhaust ports for optimal ventilation, strategically placed interior chin bar shock pads, quick-release 3D contoured cheek pads for easy removal during emergencies, and durable stainless steel chinstrap D-rings. It also comes with a TLD drawstring helmet sock for added convenience.
SIZE | XSMALL | SMALL | MEDIUM | LARGE | XLARGE | 2XLARGE |
---|---|---|---|---|---|---|
HAT SIZE | 6 5/8 - 6 3/4 | 6 7/8 - 7 | 7 1/8 - 7 1/4 | 7 1/4 - 7 3/8 | 7 1/2 - 7 5/8 | 7 3/4 - 7 7/8 |
CM | 53 - 54 | 55 - 56 | 57 - 58 | 58 - 59 | 60 - 61 | 62 - 63 |
INCHES | 20 7/8 - 21 1/4 | 21 5/8 - 22 | 22 3/8 - 22 3/4 | 22 3/4 - 23 1/4 | 23 5/8 - 24 | 24 3/8 - 24 3/4 |