Mark 6:9: “and to wear sandals, but not to put on two tunics.”

Acts 12:8: “Then the angel said to him, “Fasten your belt and put on your sandals.” And he did so. “Now put on your cloak and follow me,” the angel added.”

These two passages provide the only New Testament uses of the term translated “sandals” (Strong’s Greek 4547), yet they frame two decisive moments: the commissioning of the Twelve and the miraculous release of Peter.

Historical and Cultural Background

Light footwear made of a flat leather sole secured by thongs was standard throughout the ancient Near East. Sandals protected the feet from scorching soil and jagged stones while allowing ventilation in the arid climate. Wealth often determined thickness of the sole or adornment, but even simple fishermen regularly owned a pair. Removing sandals at a doorway was an act of respect, and going barefoot involuntarily implied poverty or captivity (Isaiah 20:2–4).

Role in the Mission of Jesus

In Mark 6, the Lord directs His apostles to take a staff and sandals, yet forbids extra provisions. By allowing sandals, He underscores legitimate practical need; by barring excess, He impresses dependence upon God and hospitality among Israel. The footwear becomes emblematic of mobile proclamation—the “beautiful feet” bearing the good news (Isaiah 52:7; Romans 10:15).

Deliverance and Divine Initiative

Acts 12:8 records an angel awakening Peter in prison. The command to strap on sandals emphasizes preparedness for immediate obedience. Nothing is superfluous, yet no essential is neglected. The detail highlights God’s thorough care: liberation is not merely spiritual but tangible, involving ordinary articles—belt, sandals, cloak—so the apostle walks out ready for further service.

Symbolic and Theological Themes

1. Readiness for Service – Ephesians 6:15 urges believers to have their “feet fitted with the readiness of the gospel of peace.” The literal sandals of 4547 prefigure this spiritual equipment.
2. Humility and Worthiness – John the Baptist, using another Greek term, felt unworthy to untie the Messiah’s sandal strap (John 1:27). The very object associated with lowly service becomes a badge of Christ’s supreme authority.
3. Holiness and Reverence – Moses and Joshua removed sandals on holy ground (Exodus 3:5; Joshua 5:15). Where God uniquely manifests His presence, human protections are laid aside; yet where He sends forth, sandals are donned. Thus the believer alternates between worshipful awe and commissioned action.

Practical Applications for Ministry

• Dependence without negligence: take what is necessary, leave what encumbers.
• Immediate obedience: fasten the sandals before questioning the route.
• Physical details matter: the gospel touches daily life, including footwear.
• Readiness to go: whether across the street or across the sea, the servant shod in faith stands prepared.

Summary

Strong’s Greek 4547 appears only twice, yet it accents pivotal transitions from preparation to proclamation and from captivity to commission. The humble sandal testifies that God equips, directs, and liberates His people so their feet may swiftly carry the gospel wherever He leads.