The Schoffel Whister II Jacket brings classic alpine styling up to date with a fresh, modern design and a host of high performance technology. Made from Schoffel's own Venturi Stretch 2L fabric, the Whistler II jacket is windproof, waterproof, highly breathable and abrasion resistant. It features the warmth and comfort of Primaloft insulation technology, providing incredible, lightweight heat distribution, even when wet. There are a host of features to ensure that you are well ventilated and have all of the essentials close at hand, and a Recco avalanche rescue reflector and detachable powder skirt for extra protection when your mountain adventure takes you off the beaten track.
| Venturi Stretch 2L | Schoffel's own stretch performance fabric. Totally windproof, waterproof, breathable and abrasion resistant. |
| Waterproof Rating | This is measured and expressed as Hydrostatic Head in millimetres (mm). To find out the Hydrostatic Head of a fabric the manufacturer will take a clear tube and clamp their material over the bottom end. They will then fill the tube slowly with water and watch to see how high the column of water can get before the material lets drips through. The higher the hydrostatic head, the better the water protection. The European Standard a fabric must meet to be classified as waterproof is a Hydrostatic Head rating of 1500mm, and on average, outerwear fabrics tend to have a hydrostatic head of 10000mm and above. |
| PrimaLoft® insulation | Soft, durable and compressible high loft insulation with excellent thermal efficiency and breathability. Uses the finest microfibres to provide the touch and warmth of down yet is outstandingly water repellent and dries more quickly than down. |
| Breathability Rating | Measurement based on the Hohenstien test. Fabric is placed above a porous (sintered) metal plate. The plate is heated and water is channelled into the metal plate, simulating perspiration. The plate is then kept at a constant temperature. As water vapour passes thru the plate and the fabric, it causes Evaporative Heat Loss and therefore more energy is needed to keep the plate at a constant temperature. |
| RET | RET is the measurement of the resistance to evaporative heat loss.
The lower the RET value, the less resistance to moisture transfer and therefore higher breathability. Hohenstein added a unique aspect to their testing. They had real people wear garments made with the fabrics of varying RET values and work out on a treadmill. They gathered comments of the testers and correlated this to the RET values of the fabrics and came up with a Comfort Rating System. RET 0-6: Very Good or Extremely Breathable - Comfortable at higher activity rate. RET 6-13: Good or Very Breathable - Comfortable at moderate activity rate. RET 13-20: Satisfactory or Breathable - Uncomfortable at high activity rate. RET 20-30: Unsatisfactory or Slightly Breathable - Moderate comfort at low activity rate |
| RET 30+ | Unsatisfactory or Not Breathable - Uncomfortable and short tolerance time. |
| RECCO® Avalanche Rescue Reflector | Using sophisticated radar technology, the Recco reflector forms the passive element of a 2-part avalanche search system. Ski resorts and mountain rescue teams carry Recco detectors, which send out a search signal, and the Recco® reflector bounces back a directional signal that directs the rescuer straight to the reflector. More than 600 resorts and rescue services around the world use the Recco Rescue System as part of their immediate response. |
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