Compressport Trail Running Shirt V2 Short Sleeve Seamlessly designed, the shirt gives unique ergonomic support and postural 3D that helps keep a correct and straight position - Incorporating the On/Off ventilation fibre, the trail running shirt helps you oxygenate during intense effort. 11 pockets are fitted in to help you organize your nutrition, tablets, phones, liquids - and they have been specially designed to allow easy access while you are exercising. The sleeves, being light and flexible, allow a great freedom of movement and the fabric being knitted without hems, your shirt puts on an ergonomic fit and avoids the sensation of tension, pressure or tightness on the biceps. The shirt is your second skin and protects against colds and heats in winter and summer respectively - The trail running shirt repels water and evacuates perspiration. You stay fresh and dry all along. The silicone interior helps absorb shocks and micro-massages to revitalize muscles - Ergo formable as it is, postural alignment is well assured. Your shoulders stay aligned thus boosting breathing and improving oxygenation.