Trek Starvos Wavecel Biking Helmet Black Size:S/M which offers a cooling effect

which offers a cooling effect and allows the fabric to dry quickly

Chain: HV410

A foam collar pads your ankle from one move to the next

but also helps eliminate pressure on your feet after you work out

The soft leather upper has a puffy tongue logo and suede 3-Stripes to create depth

Trek Starvos Wavecel Biking Helmet Black Size:S/M which offers a cooling effectTo do their job, helmets have to fit right. Starvos WaveCel Round Fit features is a versatile helmet that features WaveCel and has been designed for riders that need a rounder helmet shape. WaveCel is a collapsible cellular structure that lines the inside of the helmet. Highlights: Circumference S M : 51 58 cm M L : 55 61 cm Fit System: Headmaster 2 Buckle Type: Standard Buckle WaveCel advanced helmet technology Intuitive, one handed Headmaster II fit