PRODUCT HIGHLIGHTS • R'GUM PERFORMANCE rubber that withstands intensive use. • R'FIT system: Upper design slimmed at the instep for a perfect fit. • Front bumper, rear and ankle reinforcement for optimal abrasion resistance. • The ribbed instep reinforcement also helps maintain flexibility and ease of movement • Comfort gusset and adjustment buckle located at the back, adapting to all calf shapes. • ISOLA+ neoprene lining (4mm) providing maximum insulation even in extreme conditions. • R'FLEX rubber sole with improved flex zone for greater flexibility. • R'GRIP system: made of rubber and special studs for maximum grip. • Removable anatomical insole CONFORT SOFT in EVA foam for superior comfort. • Boot removal lug. • Delivered in box