BOSS P Bart Quarter Zip Jumper In Beige. A quarter zip fastening at the neck with ribbed sleeve cuffs and a ribbed waistband. Softshell trims feature throughout. A rubberised BOSS logo pinch tag is situated on the lower left side seam. Quality: 55% Polyester 45% Virgin Wool. Facing: 90% Polyamide 10% Elastane. Insert: 90% Polyamide 10% Elastane..