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About SPRI XT-M Xertube
The SPRI Xertube Resistance Band is the ideal workout tool you can use anywhere, any time for safe and effective total-body conditioning. SPRI rubber resistance products are created using a 'dipped process' rather than the more common and inexpensive 'extruded process' - making it one of the most durable and reliable tubes on the market! The handle plug, protective sleeve and grommet reinforcement features (Tuff Sleeve) also contribute to making SPRI the tubing product that is tough and reliable enough for many of the US military training kits. All SPRI rubber resistance products are made using Tuff Tube, a SPRI exclusive. This heavy-duty, high quality material has greater resistance to abrasion and tears to stand up to the rigorous demands of professional use. Built to a professional grade quality and designed for commercial gyms and clubs to be used 100 times a day versus 100 times a year in a home gym. Perfect for use in group training and strength-conditioning classes, Pilates and physical therapy and rehabilitation. Tube Lengths: Very Light/Light = 44" -- Medium = 50" -- Heavy/Ultra Heavy = 53" Yellow (Very Light) Xertube is for beginner men and women. At 1-1/2 times its length, the weight equivalence of this tube is approximately 3-5 lbs. Green (Light) Xertube is for beginner women and moderately fit men. At 1-1/2 times its length, the weight equivalence of this tube is approximately 6-10 lbs and offers 50-Percent more resistance than Very Light (Yellow) Red (Medium) Xertube is for moderately fit women or fit men. At 1-1/2 times its length, the weight equivalence of this tube is approximately 10 lbs and offers 40-Percent more resistance than Light (Green). Blue (Heavy) Xertube is for fit men and women. At 1 1/2 times its length, the Blue (Heavy) weight equivalence is 15 lbs and offers 42-Percent more resistance than Medium (Red). Purple (Ultra Heavy) Xertube is for extremely fit men and women. At 1-1/2 times its length, the weight equivalence of this tube is approximately 20-27 lbs and offers 20-Percent more resistance than Heavy (Blue).
