Hard Yakka memory foam cushioning foot bed insoles - pair Size:4 UK SNR 33 dB Average noise

SNR 33 dB Average noise attenuation   H 34 dB High frequency attenuation   M 32 dB Medium frequency attenuation   L 25 dB Low frequency attenuation   S/M/L Dimension

is the perfect welly for all weather conditions

Fish oil and cold resistant

Ribbing on the upper gives added protection against brambles

The boot's textile upper lets your foot breathe because it is permeable to water vapour and wicks moisture to the outside

Hard Yakka memory foam cushioning foot bed insoles - pair Size:4 UK SNR 33 dB Average noiseThe HY ERP footbed features Energy Rebound Pods (ERP) for maximum cushioning and additional energy return throughout the day. Memory foam moulds to the individual foot, providing individualised contour and support. Feel the difference in comfort and reduced fatigue at the end of the workday, suitable for all HY footwear. Energy Rebound Pods (ERP) cushioning provides the perfect amount of softness with added energy return for all day cushioning comfort