Salomon Driver Prime Sigma Plus is a technical all‑mountain ski helmet that combines advanced impact protection with a magnetic SIGMA™ visor system for fast lens changes on the slopes. Key attributes: White | Synthetic polymer (ABS) | EPS 4D impact‑absorbing construction | UV protection for visor | Active ventilation for temperature control | CE‑EN 1077 certified | BOA® Fit System for micro‑adjustment | Fidlock® magnetic chin strap | Interchangeable magnetic visor/lenses | OTG goggle compatible | Removable/washable inner lining | Hybrid shell (injected ABS upper + in‑mold lower) | Interchangeable magnetic SIGMA™ visor | Removable merino wool lining | Soft ear pads | Active airflow/ventilation concept | Dimensions & fit: Size S: 53-56 cm | Size M: 56-59 cm | Size L: 59-62 cm | Adjustable BOA® Fit System for a customised fit | MaxFit construction for consistent coverage | Available in S, M, L | Composition & care: Shell: Synthetic polymer (ABS) | Lining: Merino wool | Remove inner lining and wash according to manufacturer's instructions; wipe the helmet shell with a damp cloth; do not machine wash the shell.