The heavyweight Glacier features a 1000 denier ripstop, waterproof breathable outer. It has a heavyweight 320gsm polyfill with a breathable nylon lining. Double chest straps, front shoulder gusset, cross-over surcingles, legstraps, , tailguard, fixed neck cover with twin easy click inbuckles and strengthened surcingle guides.In a really fresh bold check. Tough 1000 denier outer Shoulder movement pleats Breathable lining Fixed neck cover 320gsm polyfill Heavyweight Waxed Stitching Ripstop Taped Seams Waterproof