As your base layer or your only layer, the Nike Pro Men's Training 3/4 Training Tights give you cooling comfort during tough workouts or competition. Stay Dry Dri-FIT Technology helps keep you comfortable and dry by wicking sweat away from your skin to the fabric's surface, where it quickly evaporates. Compression Fit A compression fit provides support and freedom to move during any training programme. Stay Cool Mesh panels keep the air flowing right where you need it, helping you stay cool even when your workout heats up.