Engineered for clarity and edge, the Oakley HSTN SQ delivers sharp square frames with a sleek black finish and architectural precision. Polarized lenses cut glare and amplify contrast for crisp vision in variable light. The mirrored treatment adds visual impact while maximizing UV protection. Built from lightweight nylon and propionate, they balance durability with all-day comfort. Purpose-built for riders and adventurers who demand both performance and style.