Keystone Pipeline Retro Trucker Hat Green Adjustable Oil Gas Cap Retro Keystone Pipeline hat featuring green tonal paneling, embroidered branding, and adjustable strapback closure. A unique oil and gas industry collectible with authentic energy-sector advertising appeal, perfect for collectors, workers, and industrial memorabilia enthusiasts. Features: Brand: Keystone Pipeline Material: 65% Cotton / 35% Polyester Era: Retro Aesthetic: heritage Color: Green Design: Embroidered Keystone Pipeline logo, contrast panel construction, curved brim Fit: One Size Fits Most Closure: Adjustable Strapback Origin: China Condition_Notes: Pre-owned condition with visible fading and wear consistent with age and use. Embroidery remains intact and legible, structure is maintained, stitching appears secure, and the hat retains its vintage character. #KeystonePipeline #OilAndGas #RetroHat #IndustrialStyle #Workwear