Includes fixed armrests and adjustable bolsterPremium quality marine-grade vinyl fabrics treated with anti-microbial and UV stabilizersPlush foam padding provides durable support Flexible, ergonomic designMeets ABYC H-31 impact testStainless Steel Type 316 armrest bracketsStainless Steel Type 316 roll-back seat hinge with protective shield Roll-back seat bolster allows quick repositioning