A stapling assembly for use with a surgical stapler, comprising: a cartridge having a plurality of staples disposed therein, the plurality of staples being configured to be deployed into tissue; and a knitted adjunct (900; 1004) configured to be releasably retained on the cartridge such that the adjunct (900; 1004) can be attached to tissue by the plurality of staples in the cartridge, the adjunct (900; 1004) comprising a tissue-contacting layer (906; 1010, 1012) formed of at least first fibers (908; 1014), a cartridge-contacting layer (910; 1016, 1018) formed of at least second fibers (912; 1020), spacer fibers (914; 1022) intertwined with and extending between the tissue-contacting layer (906; 1010, 1012) and the cartridge-contacting layer (910; 1016, 1018) to thereby connect the tissue-contacting and cartridge-contacting layers (906, 910; 1010, 1012, 1016, 1018) together, and at least one fiber (932, 934, 936, 938; 1024a-h, 1026a-h) interconnecting at least a portion of a terminal edge of each of the tissue-contacting and cartridge-contacting layers (906, 910; 1010, 1012, 1016, 1018) to form a finished edge (940, 942, 944, 946; 1028a-h, 1030a-h) that substantially prevents fraying thereof, characterized in that the at least one fiber (932, 934, 936, 938; 1024a-h, 1026a-h) includes a third fiber (932; 1024a) interconnecting at least a portion of a first terminal edge of each of the tissue-contacting layer (906; 1010) and cartridge-contacting layer (910; 1016) to form a first finished edge (940; 1028a) that substantially prevents fraying thereof, and wherein the at least one fiber includes a fourth fiber (934; 1026a) interconnecting at least a portion of a second terminal edge of each of the tissue-contacting layer (906; 1010, 1012) and cartridge-contacting layer (910; 1016, 1018) to form a second finished edge (942; 1030a) that substantially prevents fraying thereof. a cartridge having a plurality of staples disposed therein, the plurality of staples being configured to be deployed into tissue; and a knitted adjunct (900; 1004) configured to be releasably retained on the cartridge such that the adjunct (900; 1004) can be attached to tissue by the plurality of staples in the cartridge, the adjunct (900; 1004) comprising a tissue-contacting layer (906; 1010, 1012) formed of at least first fibers (908; 1014), a cartridge-contacting layer (910; 1016, 1018) formed of at least second fibers (912; 1020), spacer fibers (914; 1022) intertwined with and extending between the tissue-contacting layer (906; 1010, 1012) and the cartridge-contacting layer (910; 1016, 1018) to thereby connect the tissue-contacting and cartridge-contacting layers (906, 910; 1010, 1012, 1016, 1018) together, and at least one fiber (932, 934, 936, 938; 1024a-h, 1026a-h) interconnecting at least a portion of a terminal edge of each of the tissue-contacting and cartridge-contacting layers (906, 910; 1010, 1012, 1016, 1018) to form a finished edge (940, 942, 944, 946; 1028a-h, 1030a-h) that substantially prevents fraying thereof, a tissue-contacting layer (906; 1010, 1012) formed of at least first fibers (908; 1014), a cartridge-contacting layer (910; 1016, 1018) formed of at least second fibers (912; 1020), spacer fibers (914; 1022) intertwined with and extending between the tissue-contacting layer (906; 1010, 1012) and the cartridge-contacting layer (910; 1016, 1018) to thereby connect the tissue-contacting and cartridge-contacting layers (906, 910; 1010, 1012, 1016, 1018) together, and at least one fiber (932, 934, 936, 938; 1024a-h, 1026a-h) interconnecting at least a portion of a terminal edge of each of the tissue-contacting and cartridge-contacting layers (906, 910; 1010, 1012, 1016, 1018) to form a finished edge (940, 942, 944, 946; 1028a-h, 1030a-h) that substantially prevents fraying thereof, characterized in that the at least one fiber (932, 934, 936, 938; 1024a-h, 1026a-h) includes a third fiber (932; 1024a) interconnecting at least a portion of a first terminal edge of each of the tissue-contacting layer (906; 1010) and cartridge-contacting layer (910; 1016) to form a first finished edge (940; 1028a) that substantially prevents fraying thereof, and wherein the at least one fiber includes a fourth fiber (934; 1026a) interconnecting at least a portion of a second terminal edge of each of the tissue-contacting layer (906; 1010, 1012) and cartridge-contacting layer (910; 1016, 1018) to form a second finished edge (942; 1030a) that substantially prevents fraying thereof.