Premium 340gsm men's long sleeve jacket manufactured from 94 percent polyester with six percent elastane added for stretch comfort. This layer is windproof, breathable, and has a waterproof rating of 8000mm (waterproof in light conditions). It has 160gsm internal polyester padding and is lined with polyester taffeta which provides triple-layer protection from the elements. Rock has two large vertical zippered side pockets which double as hand warmers, a vertical zippered chest pocket, a large zippered internal pocket with an opening for headphones, and an internal mesh slip pocket. It has a longer back panel and an adjustable elastic waist closure with a locking toggle for additional warmth. Other features include adjustable Velcro cuff closures, inner stretch cuffs, a fully adjustable and removable fleece-lined hood with a peak, a zippered pocket on the left sleeve, and reflective piping on the side pockets and the back for added visibility. Rock is a European fit and is available in six sizes.