Puma Faas 300 TR Women's Trail Running Shoes Rubber sole Closed Mesh Upper - Offers greater protection and support as well as good breathability. Lace Closure - Helps provide a more secure lockdown fit. WebCage - Translucent material which enhances support and protection in the midfoot and heel. EcoOrtholite Sockliner - Specially designed sockliner gives you premium comfort underfoot. FAASFOAM - Midsole cushioning material which offers resilient and durable, lightweight performance, for easy stepping time and again.