Lifeline 40 Lifeline 40 from Miles Thompson Lifeline 40 Lifeline 40 is a waterproof backpack made from recycled sailcloth with an integrated inflatable PFD. View PDF View PDF View PDF View PDF View PDF View PDF View PDF View PDF View PDF gLike Lifeline 40 Lifeline 40 is a waterproof backpack made from recycled sailcloth with an integrated inflatable PFD. Industrial Design Soft Goods Hand Rendering Share R 7 n Available Full-time Miles Thompson Industrial Designer Boston, MA Follow Contact