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Our on-line store is open 24/7 and we ship Monday through Friday, excluding some holidays. Orders received for products without shipping restrictions on its product page will ship the same business day when received before 12:00 p.m. PST. Orders in high demand will have an estimated production time listed on its product page and will ship according to the date listed.
So lightweight, it feels like you're wearing nothing at all! The RESPONSE™ LITE is your answer to rising temperatures and humid conditions. Quick-drying, moisture-managing, and odor resistant, the easy-care RESPONSE LITE delivers comfort on the go. Featuring just the right amount of stretch for flexibility and fit, this long sleeve provides premium (UPF 30+) sun protection for extended time outdoors.
We are a Seattle, WA based outdoor gear store with a mission to make climbing, backpacking, skiing & mountaineering accessible and enjoyable for everyone.
© 2026, Master Store
