Adidas Adistar Wool Primeknit Long Sleeve Running Top 35% polyester FORMOTION - Allows the tight to follow the natural movements your body experiences during sport, making for greater freedom of movement. Reflective Detailing - Ensures you remain visible in poor light. Crew Neck and Regular Fit - Allows the top to remain tight, keeping the elements out, whilst not impeding your rhythm. Construction - 39% wool / 35% polyester / 26% nylon seamless.