Eryshield's NEXUS boots feature the Boa system and a stylish black and red design, providing excellent grip. - Model Name: NEXUS - Color: Black/Red - Brand Name: Eryshield - Features: Boa System (Adjustable) - Sole Type: Tread Sole (Grip) ・Waterproof and breathable upper with Dryshield processing. ・Boa Ghillies with compact dial and fabric wire holes. Soft and comfortable fit on the instep. ・EVA cushion in the midsole and upper. ・Geo-Lock spike sole with 32 φ2.3mm spike pins in a unique arrangement. ・Boa closure system for quick & smooth on/off and even, balanced fit. Simply turn the dial to adjust the tightness, and it's easy to take on and off. ・Dryshield / Geo-Lock Sole System / Boa Closure System / Spikes / Breathable / Waterproof ・Materials: Upper: Synthetic leather, fabric, Dryshield fabric, rubber. Boa System Parts: Special reinforced resin, stainless steel wire. Sole: Geo-Lock Spike Sole (Spike Pins: Strong stainless steel φ2.3mm, Rubber: Synthetic rubber) Thank you for viewing. * Purchased several years ago and used for about 5 offshore fishing trips. Stored indoors for the last 4 years. 　No wrinkles and still in good condition. There are some minor scuffs, but the condition is beautiful. [Notes] * Shipping may be delayed if I am away from home for work.