quickly drying dirt-repellent light elastic flat seams anti-pilling smooth fabric surface outside soft fabric surface inside TOP: YKK zipper in front collar: Polartec PowerStretch collar: soft fleece inside elastic waistband at wrist thumb slot stretchable side areas (Polartec PowerStretch) back extended TROUSERS: elastic waistband at wrist crotch: Polartec PowerStretch with bridge for heel on the leg