Not only is the NV2 Thermoshield Long Sleeve Jersey great at trapping warmth it also makes use of Altura's Altura Darkproof® technology. This offers 360 degrees of retro-reflective detailing that returns maximum levels of light back to the light source, raising your profile to other road users. For the perfect fit Altura use their ErgoFit™ 3D patterning that gives a sleek fit that is just right when you're in a riding position. An integrated silicone grip at the waist keeps the jersey in place and prevents it riding up. Read more… Whether commuting in darkness or out on training rides before or after work this warm and cosy jersey will maintain warmth and visibility for a safer ride.