A beginning, and its answer
The First Sacrifice
When Adam and Eve's fig leaves prove useless, God Himself clothes them with coats of skins. This first covering, which costs an animal its life, is often read as the first sacrifice and the first shadow of a righteousness given from God.
“Unto Adam also and to his wife did the LORD God make coats of skins, and clothed them.”Genesis 3:21
The first
The first. Ashamed after their sin, Adam and Eve had "sewed fig leaves together, and made themselves aprons" (Genesis 3:7), a covering of their own making. It did not hide them; they still hid from God among the trees. After pronouncing His judgments and His promise, God does something tender and costly: "Unto Adam also and to his wife did the LORD God make coats of skins, and clothed them" (Genesis 3:21). The text is spare, but its implication is heavy. Skins come from an animal, and an animal must die to provide them. Where the humans had covered themselves with leaves that would wither, God covers them with a garment that requires the shedding of blood. Many readers through the centuries have seen here the first death of an animal and the first sacrifice, a covering God provides in place of the covering people cannot make for themselves. It is worth saying honestly that Genesis 3:21 does not use the word sacrifice or describe an altar; that reading is drawn from what the verse implies and from how the whole Bible speaks of covering and blood. But the picture is striking: God clothes the shamed with a covering that costs a life.
What it means
What it means. The first sacrifice, read this way, establishes a pattern that runs through all of Scripture: sin brings shame, human efforts to cover it fail, and God provides a covering at the cost of life. The fig leaves are the first religion of self-effort, and they cannot hold. The coats of skins are grace, something God does for people who could not do it for themselves. Later the whole sacrificial system will make the lesson explicit: "it is the blood that maketh an atonement for the soul" (Leviticus 17:11), and "without shedding of blood is no remission" (Hebrews 9:22). Here at the beginning that principle is enacted quietly. There is also a beautiful reversal: God does not leave Adam and Eve in their shame, nor does He only expel them; He first clothes them. Judgment and mercy meet. The covering they receive is not their own achievement but God's gift, laid upon them from outside. This is the earliest picture of a truth the gospel will unfold, that the covering we need must come to us, not from us.
How it points to Christ
How it points to Christ. The covering God provides at cost points to the covering He would ultimately provide in His Son. Our own righteousness, like fig leaves, cannot hide us; Isaiah calls it "filthy rags" (Isaiah 64:6). But God clothes His people in a righteousness not their own. Isaiah rejoices, "he hath clothed me with the garments of salvation, he hath covered me with the robe of righteousness" (Isaiah 61:10). This is the gospel gift: "For he hath made him to be sin for us, who knew no sin; that we might be made the righteousness of God in him" (2 Corinthians 5:21). As an innocent life was given to clothe the shamed in Eden, so Christ, "the Lamb of God, which taketh away the sin of the world" (John 1:29), gave His life that we might be covered. Believers are told to "put ye on the Lord Jesus Christ" (Romans 13:14), wearing Him as our garment before God. The first covering, provided by God at the cost of blood, finds its meaning in Christ our righteousness.
Questions people ask
Does Genesis actually call this a sacrifice?
No. Genesis 3:21 says God made coats of skins and clothed Adam and Eve, without using the word sacrifice or describing an altar. Reading it as the first sacrifice is a reasonable inference, since skins require an animal's death, and it fits the Bible's later teaching on covering and blood. It is offered as a faithful reading, not an explicit claim of the text.
Why were the fig leaves not enough?
Because they were a covering of human effort that could not deal with sin or shame; Adam and Eve still hid from God. They picture our attempts at self-righteousness, which Isaiah 64:6 calls filthy rags.
How does this point to Jesus?
It shows the pattern of a God-given covering at the cost of life. Christ, the Lamb of God, gave His life so that believers are clothed in His righteousness rather than their own (2 Corinthians 5:21; Isaiah 61:10).