Clyde 4 Finger Spines Full Negative Red/White. Negative sewing for better fitting on the fingers, polyester mesh body white, flexible German latex upper hand. Polyester mesh white between the fingers. Extra soft 3,5 mm foam with 3 mm padding and welding. With half extra thumb part with thumb reinforcement positive sewing. 9cm wristband, strap 5,5cm wide with elastic band insert, silicone belt end.