The skin unlocked by this item is required to complete the following achievements:
{"name": "Vigorous Student Leggings", "description": "", "type": "Armor", "level": 25, "rarity": "Fine", "vendor_value": 38, "default_skin": 145, "game_types": ["Activity", "Wvw", "Dungeon", "Pve"], "flags": [], "restrictions": [], "id": 10923, "chat_link": "[&AgGrKgAA]", "details": {"type": "Leggings", "weight_class": "Light", "defense": 39, "infusion_slots": [], "attribute_adjustment": 39.6, "infix_upgrade": {"id": 146, "attributes": [{"attribute": "Power", "modifier": 14}, {"attribute": "Vitality", "modifier": 10}]}}}