Description of The North Face Squamish S/S Shirt After a long day in Barcelona kick back, With breathable lightweight easy-care fabric and a 100% polyester Tek-mesh lining The North Face Squamish shirt is great for hiking and hanging out. The North Face Squamish Shirt is a rugged hiking top that features quick drying, easy care fabric. Features: Body: 129 g/m2 54% modal, 46% polyester Lining: Tek mesh - 100% polyester Comfortable, easy-care fabric Ultraviolet Protection Factor (UPF) 15 Lightweight Patch pocket with Velcro closure