A wear member (100, 400) for an earth-working implement (60, 66), the wear member (100, 400) comprising: a body (101, 401) having front (102, 402), rear (104, 404), top (106, 406), bottom (108, 408), inner side (110, 410), and outer side (112, 412) portions, wherein a cutting edge (140, 440) is defined along at least a portion of a bottom interface (120, 420) between the front portion (102, 402) and the bottom portion (106, 406); a contoured upper front surface (114, 414) defined on the front portion (102, 402), the contoured upper front surface (114,414) extending between: a top edge (138, 438) disposed along a top interface (118, 418) between the front portion (102, 402) and the top portion (106, 406), an outer side edge (1 144, 444) disposed along an outer side interface (122, 422) between the front portion (102, 402) and the outer side portion (112, 412), a ridge (164, 464) disposed on the front portion (102, 402), and a spearhead edge (142, 442) disposed along the bottom interface (120, 420) between the outer side portion (112, 412) and the cutting edge (140, 440); and a contoured lower front surface (116, 416) formed on the front portion (102, 402) of the body (101, 401) adjacent the contoured upper front surface (114, 414), the contoured lower front surface (116, 416) defined between an inner side edge (146, 446) which is disposed along an inner side interface (124, 424) between the front portion (102, 402) and the inner side portion (110, 410), the cutting edge (140, 440), and the ridge (164, 464), characterised by a rear surface (170, 470) defined on the rear portion (104, 404) aligned with a normal axis that is perpendicular to a longitudinal axis, the rear surface (170, 470) including a planar rear mounting surface configured to abuttingly mount to the earth-working implement (60, 66) and a relieved portion (487, 488) configured to be spaced-apart from the earth-working implement (60, 66) when the wear member (100, 400) is mounted thereto. a body (101, 401) having front (102, 402), rear (104, 404), top (106, 406), bottom (108, 408), inner side (110, 410), and outer side (112, 412) portions, wherein a cutting edge (140, 440) is defined along at least a portion of a bottom interface (120, 420) between the front portion (102, 402) and the bottom portion (106, 406); a contoured upper front surface (114, 414) defined on the front portion (102, 402), the contoured upper front surface (114,414) extending between: a top edge (138, 438) disposed along a top interface (118, 418) between the front portion (102, 402) and the top portion (106, 406), an outer side edge (1 144, 444) disposed along an outer side interface (122, 422) between the front portion (102, 402) and the outer side portion (112, 412), a ridge (164, 464) disposed on the front portion (102, 402), and a spearhead edge (142, 442) disposed along the bottom interface (120, 420) between the outer side portion (112, 412) and the cutting edge (140, 440); and a contoured lower front surface (116, 416) formed on the front portion (102, 402) of the body (101, 401) adjacent the contoured upper front surface (114, 414), the contoured lower front surface (116, 416) defined between an inner side edge (146, 446) which is disposed along an inner side interface (124, 424) between the front portion (102, 402) and the inner side portion (110, 410), the cutting edge (140, 440), and the ridge (164, 464), characterised by a rear surface (170, 470) defined on the rear portion (104, 404) aligned with a normal axis that is perpendicular to a longitudinal axis, the rear surface (170, 470) including a planar rear mounting surface configured to abuttingly mount to the earth-working implement (60, 66) and a relieved portion (487, 488) configured to be spaced-apart from the earth-working implement (60, 66) when the wear member (100, 400) is mounted thereto.