MA.STRUM Frequency Zip Sweat is a mixed-media zip sweatshirt that combines padded nylon front baffles with soft jersey sleeves and back for lightweight warmth and everyday layering. It’s finished with durable metal hardware and a detachable fluorescent compass ID badge for a technical, utility-inspired look. Key attributes: Ink Navy | Cotton | Insulated front panel | Light padding for added warmth | Two-way metal zipper | Two side hand pockets | Elasticated cuffs and hem | Copper rivets | Enamel coated press studs | Mixed media fabrication | Padded nylon front baffles | Soft jersey sleeves and back | High-quality hardware details | Detachable fluorescent compass ID badge | Dimensions & fit: Fits true to size | Composition & care: 100% Cotton (body) | 100% Nylon (front panel)