Main features: Detachable back panel Variable insulation: down for main body front and back, lower part of the sleeve and collar. Polartec Alpha in side panels, Climashield Apex in top of the shoulder, protecting those area from loosing insulation, compared to wdown that would migrate from areas where pressure is applied (e.g. under backpack straps) Two long front zippers with 2 sliders each for multiple ventilation setups Chunky zipper pulls made of used paraglider's cord for ease of operation when gloves are on Artistic stiching on down-filled panels Elasticised hem Insulated kangaroo hand pocket Grid fleece on inner collar for next to skin comfort Outter shell is constructed from a lightweight ripstop nylon, produced by Toray (Japan). The fabric offers a slight translucency, with a ripstop weaving to maintain stability and robustness. The fabric is windproof, down-proof, lightly water-repellent, and offers excellent breathability of 10,000g/m²/24h. Size Custom. Male model is: 178 cm height, 10cm chest circumference, 80 cm waist circumference