The North Face Men's Ventrix LT Fleece Hybrid Jacket is a lightweight midlayer designed for active pursuits in cool to cold weather. The Hybrid construction Features smooth fleece panels along the sides and underarms for improved breathability and moisture management. The rest is filled with Ventrix; stretch Insulation which teams up with the stretchy face fabric and lining to provide exceptional freedom of movement. The Highly breathable design is further bolstered by dynamic venting along the back that opens up to dump excess body heat while on the move. Features of The North Face Men's Ventrix LT Fleece Hybrid Jacket Lightweight, Highly air-permeable fabrics throughout the body for breathability Smooth-face, High-low, striped-back fleece in the side panels and underside of sleeves for comfort, breathability and mobility 60 grams Ventrix stretch synthetic Insulation throughout the body is perforated in the Upper back for dynamic venting Micro-elastic binding at cuffs, thumbholes and hem Exposed, VISLONA(R) center front zip with internal draft flap Exposed, secure-zip hand pockets Slim Fit Fabric Details Body: 30D x 20D 64 grams / squAre meter 92% nylon, 8% elastane with durable water-repellent (DWR) finish Side panels and underside of sleeves: 186 grams / squAre meter 100% polyester Lining: 20D 60 grams / squAre meter 92% nylon, 8% elastane