The Coaster features a thin-back design for compatibility with any kayak seat style. Its slightly larger flotation footprint distributes buoyancy over a wider area, resulting in a thinner, more comfortable fit with excellent mobility and ventilation. Key Features Thin Back Profile — More coverage with reduced interference from any kayak seat back style. Graded Sizing — Sized for the best possible fit across the range. Cross-Chest Cinch Harness — Zero ride-up design keeps the PFD in place during active paddling. Maximum Ventilation — Open sides, mesh shoulders, and interior mesh panels keep you cool on the water. Adjustable Fit — Adjustable shoulders and dual forward pulls for a fully customized fit. Multiple Pockets — Zippered front pockets, built-in beverage holder, and neoprene sunglasses sleeve. #10 YKK Zipper — Non-corroding slider with entry grip tab at the zipper base for easy on/off. Lightweight PE Foam — Comfortable, low-bulk flotation material. Type III PFD — USCG Approved with sea-level buoyancy rating. Specifications Shell: Mini Ripstop Nylon Liner: 200 Denier Oxford Sizes: Medium, Large, XL Colors: Red, Blue, Royal Chest Sizing: Medium: 30–40", Large: 40–46", XL: 46–52" Certification: USCG Approved, Type III