Critically taped seams: This means that the most important seams have been taped. Taped seams guarantee waterproof seams. Geotech 10.000 series: This number tells you how waterproof this garment is. For this item you can place a square tube with inner dimensions of 30mm x 30mm over the outer fabric with water to a height of 10k mm before water would begin to seep through. Slim fit: This garment has a fit which is tailored to the body. Regular waistband: This waist band is a rigid and non-stretching which provides a firm and secure fit. This is the best type for performance as it grips the best to your waist. This article has a regular waist