Hydrapak ArticFusion Tube Kit Insulated 1/4" Diameter Quick Release 36" New Product Details Ice belongs on the mountain, not in your hydration system. That’s why we created the ground-breaking ArcticFusion Tube Kit. This innovative solution is a premium tube system that helps keep water flowing in freezing temps. It has our Phaser bite valve on one end and the Plug-N-Play connector on the other, and it has 50% more foam insulation than competing brands. Dust Cover High Flow Insulated For Cold Weather Plug-N-Play Connector Skiing and Snowboarding Weight 99 g / 3.5 oz Dimensions 6 mm x 91.44 cm / 1/4 in (internal tube diameter, does not fit standard tube magnet) x 36 in Material TPU, PP/POM, Silicone