Those Game Spec 2 tennis shoes from Adidas sound like a fantastic choice for tennis players seeking both performance and sustainability. The combination of a rubber, all-court outsole and a flexible Bounce midsole promises solid play across various surfaces. 

Plus, the incorporation of recycled materials is a great step toward reducing environmental impact. The breathable mesh and synthetic leather upper not only offer comfort but also provide a classic aesthetic. It's a win-win for both your game and the planet!

Specifications: 

• Regular fit
• Lace closure
• Bounce midsole
• Textile lining
• Rubber outsole
• Breathable mesh upper with synthetic overlays
• Contains at least 20% recycled content