Get all-day comfort with the same out-of-the-box fit you expect from the MOAB ADVENTURE CHELSEA waterproof boots from MERRELL. This Chelsea delivers a lifestyle look, waterproofing, and traction you can trust. Featuring a full grain waterproof leather upper. M Select DRY seals out water and lets moisture escape so you stay dry. M Select WARM lightweight, low bulk 100 gram insulation keeps you comfortable.