The North Face Apex Canyonwall Vest - Men's: FEATURES a Standard fit a Highly wind resistant; wind permeability rated at less than 10 CFM a Back and side-panel fabric rated at 100+ CFM for zonal breathability a Soft micro-grid backer a Exposed, VISLONA(R) center front zip a Reverse-coil hand pocket zips a Two internal drop-in storage pockets PRODUCT SPECIFICATIONS Style: NF0A3SOE Avg Weight: 363 G (12.8 Oz) Length From Center Back: 26.25" Front Body And Pocket Exterior: 150D 306 G/MA^2 WindWallA(R)-100% Polyester With Brushed Fleece Backer And Durable Water-Repellent (DWR) Finish Solid Back Of Body And Side Panels: 150D 269 G/MA^2 100% Polyester With Brushed Fleece Backer Heather Back Of Body And Side Panels: 150D 264 G/MA^2 100% Polyester With Brushed Fleece Backer Solid And Heather Lining: 50D 105 G/MA^2 100% Polyester With Brushed-Face Finish Source: Imported Guarantee: Lifetime Warranty Care Instructions: Machine Wash WIND PROTECTION Limiting air penetration reduces the windchill factor. WindWallA(R) fabric is a wind-resistant fleece. WindWallA(R) utilizes a unique fabric-bonding process that allows a limited degree of external air permeability (approximately 20 CFM), which drastically reduces the effects of windchill and enhances your warmth and comfort. WindWallA(R) 1 fabric has a mesh liner, while WindWallA(R) 2 fabric has a grid fleece liner for even greater insulation.