[Made of DUPONT SORONA] The SORONA fabric is a high-performance thermal fabric which is breathable and retains warmth with less filling and weight，and retaining its shape longer，so no more bloated outfit is needed in winter. [Hooded Water resistant vest] Featuring a water-resistant fabric, these sleeveless hooded vests provide full-body protection from the elements, keeping rain from falling on your hair on rainy days and snow from sliding into your neck on snowy days. [2 ZIpper Pockets + 2 Inner Pockets] 2 Side Hidden Zip pockets on side to securely store 7 inch phone，and 2 inner pockets are large enough to store outdoor essentials. [Slim Fit & Lightweight] The weight of the vest is only 250 g (Size S). The slim fit style, which avoids bulkiness, makes this vest an excellent midlayer for extremely cold conditions. Moreover, if you intend to wear thicker clothes underneath, it is advisable to buy a size larger. [Move with Ease] Both sides of the sleeveless vest are made of spandex fabric, which has excellent stretch keeps you moving freely. The armholes have elastic bands and won't rub against your skin. It is versatile and can be used as a 3 season vest in fall, winter, and spring.