200 meters of water resistance

Case Back: Stainless Steel

it has a stainless steel case

and Clasp with triple seals on each end

Smith Optics Trace MIPS Matte Iron Cycling Helmet - E0072803Z5962 PVD 200 meters of water resistanceSmith Optics Trace MIPS Matte Iron Cycling Helmet E0072803Z5962. Fit: Vaporfit Adjustable Fit System, 18 Optimized Vents, Xt2 Performance Lining, Ultra Light Single Layer Webbing Brand: Smith Optics Gender: Unisex Color: Matte Iron Product Type: Helmet Protection: Lightweight Aerocore In Mold Construction, Complete Ventilated Protection Featuring Koroyd, Integrated Skeletal Structure, Mips System Available In All Colors Fit: Vaporfit Adjustable Fit