7.7 oz./yd., brushed back fleece. 53/43/4 organic cotton/bamboo viscose/ lycra spandex. Made with organic cotton and renewable bio-degradable bamboo fibers. Semi-fitted with open bottom. Temperature regulation. Moisture-management properties. Anti-odor. Waistband with encased elastic. Flat draw cord with metal tipping exit to outer pant with metal grommets. Open side pockets with rib hem. 2" splits at lower leg outseam. UPF 50+. Soft twill label at inner back waist band. Care and content label sewn into waist band at back left. Sewn in care and content label at lower left side seam. Drop logo mark embroidery at left bottom pocket opening. Fabric and garments are manufactured in a facility 100% powered by solar and wind energy. Fabric and garments are manufactured in a GreenCo certified facility. 450g of CO2 are saved with the production of each garment.