Effectiveness varies by shoe material. Leather stretches more than synthetics. Stretching may require time and multiple applications. For lasting results, use with a stretcher device.

Will this stain / discolor my shoes or boots?

Our spray won't stain colorfast shoes, but testing is recommended. Spray a small amount on an inconspicuous area and wait for it to dry to check for adverse reactions. Temporary darkening may occur due to wetness but will return to normal when dry.

How to apply? Do I apply inside or outside? With or without stretcher device?

To apply FootMatters Shoe Stretch Spray: 1. Prep shoes. 2. Shake bottle. 3. Test inconspicuous area. 4. Spray inside/outside shoes in ventilated space. 5. Use stretcher device or wear with thick socks. 6. Repeat as needed for desired stretch.

Does it have a strong smell? Should I apply it in a well ventilated area or wear a mask?

FootMatters Shoe Stretch Spray has a strong initial scent, but it's not toxic. Use it in a well-ventilated area for faster dissipation. If sensitive to odors or have respiratory issues, use in an extra ventilated area and consider wearing a mask.

Can shoes be waterproofed before or after waterproofing is applied? Can it be used on waterproof materials?

FootMatters Shoe Stretch Spray penetrates fibers for stretching but won't work on permanently waterproof materials. Use before waterproofing. If shoes are already treated, applying inside may have minor effects.

FOOTMATTERS シューズストレッチスプレー – プロフェッショナルシューズストレッチャー – レザー、スエード、ヌバック、キャンバス用柔軟剤 – 4オンス, ボトル1本。, Regular

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