10 Crosby Derek Lam Jersey Track Pants, Midnight Black Details Derek Lam 10 Crosby jersey track pants. Approx. measurements: 13" front rise, 26" inseam, 13 leg opening (size 4). Straight legs. Pleated front. Front slip pockets. Elasticized pull-on waist. Cupro/cotton/polyester/nylon; combo, triacetate/polyester; polyester pocket; dry clean. Imported. Model's measurements: Height 5'10"/177cm, bust 33"/84cm, waist 25.6"/65.2cm, hips 35.8"/91cm, dress size US 2-4/FR 34-36. Designer About 10 Crosby Derek Lam: Derek Lam made his debut at NY fashion week in 2002 with a collection of chic and exceptional clothes, created in the heritage of American sportswear. Since then, Derek has been discovered by many women around the world who turn to him for his precision and fit, luxury fabrics, and the assurance that they will always find an interesting point of view within the collection. Size: 4. Color: MIDNIGHT B. Gender: Female. Age Group: Adult. Material: Jersey.