M&S Thermowarmth Rust Utility Puffer Gilet Vest Bodywarmer Size M Excellent pre-owned M&S Thermowarmth insulated utility gilet in a rust/burnt orange color. Features a high collar, zip and snap front, oversized utility pockets, and lightweight insulated construction that’s perfect for layering in fall and winter. Size Medium. Minor faint marks shown in photos that are difficult to notice when worn.