Sub Sports Mens Merino Thermal Long Sleeve Top Base Layer Vest Crew Neck The natural warmth from Merino wool will generate heat to keep your body warm when training in cooler conditions. A-seams seams provide comfort and prevent irritation for a chafe-free fit. Handy zip storage pocket in the back for your keep or phone while out and about. The antibacterial properties of Merino will keep you feeling fresh and odour free. The moisture wicking fabric will ensure your body temperate is regulated while the 4-way stretch will give you a comfortable and responsive fit. Ideal for all sports including running, cycling, triathlon, OCR, rugby, football, fitness, gym, golf, tennis. This is a relaxed fitting garment and is designed to contour to the body. If you prefer a slightly closer fit, move down a size. Machine washable at 30 degrees.