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What Our Gearhead(R) Experts Are Saying:"This is my go-to shirt for sunny days outdoors. The UPF 40 fabric keeps me protected, and the moisture-wicking material helps me stay cool and dry, even on hot hikes. The anti-microbial finish is great for multi-day trips, and the flat seams make it super comfortable under a pack. It's lightweight, breathable, and perfect for any adventure."When the sun is shining and the trail is calling, the Sierra Designs Alpine Start Sun T-Shirt keeps us cool, comfortable, and protected. Crafted with UPF 40 fabric, this lightweight tee shields us from harmful UV rays, so we can hike, paddle, or explore worry-free. Moisture-wicking fabric helps us stay dry on hot days, while the anti-microbial finish ensures freshness, even after hours on the move. Designed for all-day comfort, this tee features anti-chafing flat seams and off-shoulder seams that work perfectly under a backpack. Lightweight and versatile, the Alpine Start Sun T-Shirt is the ultimate essential for warm-weather adventures.