Precision Essential Skin Tight Compression Base Layer Running Pants Leggings. Precision Fit garments are tight-fitting to prevent excessive muscle movement, minimising the amount of energy wasted during exercise. Aids recovery of muscle groups. Moisture wicking properties - Ideal for cold weather sports, Precision Fit garments wick sweat away from the body while retaining warmth. Quality design and a high standard of production mean that chafing and discomfort is entirely avoided through the use of soft fabric and cover-stitched seams. Inside of garment is brushed for added comfort. Engineered non-restrictive waistband. Optimises muscle efficiency. Regulates core body temperature. 4-way stretch fabric aids with mobility. 90% polyester, 10% elastane.