HKM Adults Unisex Easy Fit Body Protector Back Length:Regular It's a particularly useful supplement It's a particularly useful supplement in those geographical areas where the soil is likely to be selenium deficient The inclusion of D30® technology foam inserts in the key strike area of this tendon boot enables the shell to be more flexible and therefore more comfortable The HKM Adults Unisex Easy Fit Body Protector is the ideal choice for those looking for an affordable The HKM Adults Unisex Easy Fit Body Protector offers the maximum level of protection by fully meeting EN13158:2018 and BETA 2018 Level 3 Standard making it suitable for all UK body protector safety requirements for riding school activities and competition