Autumn Crest 3L Pants 2027 The Autumn Crest 3L Pants are technical shell pants built for durable weather protection, unrestricted movement, and easy layering. ShelterPro 3L 150D heavy-duty polyester plain weave delivers 20K/20K waterproof and breathable performance with fully taped seams, while the relaxed Free & Easy Fit provides plenty of room to move. Mesh-lined inner thigh vents, an adjustable waist, cinchable cuffs, and a functional pocket layout round out the mountain-ready design. Summary Fit Free & Easy Fit / Relaxed Oversized Fit Material ShelterPro 3L - 150D Heavy-Duty Polyester Plain Weave Waterproof Rating 20,000 mm Breathability Rating 20,000 g Insulation Shell Seam Sealing Fully Taped Seams Vents Mesh-Lined Inner Thigh Zip Vents